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Finding the Fourth Proportional to 342,000.98, 472,263.98 and 213,159.35

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Solution

The fourth proportional to 342,000.98, 472,263.98 and 213,159.35 is: 294,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,000.98 : 472,263.98 = 213,159.35 : x
  2. Step 2: Convert to fraction form
    342,000.98/472,263.98 = 213,159.35/x
  3. Step 3: Cross multiply
    342,000.98x = 472,263.98 × 213,159.35
  4. Step 4: Simplify right side
    342,000.98x = 100,667,483,005.21
  5. Step 5: Solve for x
    x = 100,667,483,005.21/342,000.98
  6. Step 6: Final answer
    x = 294,348.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.