Home / 302,028.31-453,045.15-91,666.21

Finding the Fourth Proportional to 302,028.31, 453,045.15 and 91,666.21

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Solution

The fourth proportional to 302,028.31, 453,045.15 and 91,666.21 is: 137,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,028.31 : 453,045.15 = 91,666.21 : x
  2. Step 2: Convert to fraction form
    302,028.31/453,045.15 = 91,666.21/x
  3. Step 3: Cross multiply
    302,028.31x = 453,045.15 × 91,666.21
  4. Step 4: Simplify right side
    302,028.31x = 41,528,931,859.38
  5. Step 5: Solve for x
    x = 41,528,931,859.38/302,028.31
  6. Step 6: Final answer
    x = 137,500.13

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1.5x scale

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.