Home / 317,384.28-437,990.26-181,421.15

Finding the Fourth Proportional to 317,384.28, 437,990.26 and 181,421.15

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Solution

The fourth proportional to 317,384.28, 437,990.26 and 181,421.15 is: 250,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,384.28 : 437,990.26 = 181,421.15 : x
  2. Step 2: Convert to fraction form
    317,384.28/437,990.26 = 181,421.15/x
  3. Step 3: Cross multiply
    317,384.28x = 437,990.26 × 181,421.15
  4. Step 4: Simplify right side
    317,384.28x = 79,460,696,658.00
  5. Step 5: Solve for x
    x = 79,460,696,658.00/317,384.28
  6. Step 6: Final answer
    x = 250,361.16

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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.