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Finding the Fourth Proportional to 341,999.98, 472,262.60 and 213,158.35

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Solution

The fourth proportional to 341,999.98, 472,262.60 and 213,158.35 is: 294,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,999.98 : 472,262.60 = 213,158.35 : x
  2. Step 2: Convert to fraction form
    341,999.98/472,262.60 = 213,158.35/x
  3. Step 3: Cross multiply
    341,999.98x = 472,262.60 × 213,158.35
  4. Step 4: Simplify right side
    341,999.98x = 100,666,716,582.71
  5. Step 5: Solve for x
    x = 100,666,716,582.71/341,999.98
  6. Step 6: Final answer
    x = 294,347.14

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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.