Home / 334,569.80-501,688.65-121,329.20

Finding the Fourth Proportional to 334,569.80, 501,688.65 and 121,329.20

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Solution

The fourth proportional to 334,569.80, 501,688.65 and 121,329.20 is: 181,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,569.80 : 501,688.65 = 121,329.20 : x
  2. Step 2: Convert to fraction form
    334,569.80/501,688.65 = 121,329.20/x
  3. Step 3: Cross multiply
    334,569.80x = 501,688.65 × 121,329.20
  4. Step 4: Simplify right side
    334,569.80x = 60,869,482,553.58
  5. Step 5: Solve for x
    x = 60,869,482,553.58/334,569.80
  6. Step 6: Final answer
    x = 181,933.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.