Home / 316,836-437,126.04-180,772.20

Finding the Fourth Proportional to 316,836, 437,126.04 and 180,772.20

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Solution

The fourth proportional to 316,836, 437,126.04 and 180,772.20 is: 249,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,836 : 437,126.04 = 180,772.20 : x
  2. Step 2: Convert to fraction form
    316,836/437,126.04 = 180,772.20/x
  3. Step 3: Cross multiply
    316,836x = 437,126.04 × 180,772.20
  4. Step 4: Simplify right side
    316,836x = 79,020,235,928.09
  5. Step 5: Solve for x
    x = 79,020,235,928.09/316,836
  6. Step 6: Final answer
    x = 249,404.22

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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.