Home / 219,444.34-302,807.66-122,648.40

Finding the Fourth Proportional to 219,444.34, 302,807.66 and 122,648.40

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Solution

The fourth proportional to 219,444.34, 302,807.66 and 122,648.40 is: 169,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,444.34 : 302,807.66 = 122,648.40 : x
  2. Step 2: Convert to fraction form
    219,444.34/302,807.66 = 122,648.40/x
  3. Step 3: Cross multiply
    219,444.34x = 302,807.66 × 122,648.40
  4. Step 4: Simplify right side
    219,444.34x = 37,138,875,006.74
  5. Step 5: Solve for x
    x = 37,138,875,006.74/219,444.34
  6. Step 6: Final answer
    x = 169,240.52

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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.