Home / 369,641.04-510,110.51-208,499.30

Finding the Fourth Proportional to 369,641.04, 510,110.51 and 208,499.30

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Solution

The fourth proportional to 369,641.04, 510,110.51 and 208,499.30 is: 287,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,641.04 : 510,110.51 = 208,499.30 : x
  2. Step 2: Convert to fraction form
    369,641.04/510,110.51 = 208,499.30/x
  3. Step 3: Cross multiply
    369,641.04x = 510,110.51 × 208,499.30
  4. Step 4: Simplify right side
    369,641.04x = 106,357,680,664.59
  5. Step 5: Solve for x
    x = 106,357,680,664.59/369,641.04
  6. Step 6: Final answer
    x = 287,732.34

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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.