Home / 316,318.90-473,787.15-245,643.70

Finding the Fourth Proportional to 316,318.90, 473,787.15 and 245,643.70

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Solution

The fourth proportional to 316,318.90, 473,787.15 and 245,643.70 is: 367,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,318.90 : 473,787.15 = 245,643.70 : x
  2. Step 2: Convert to fraction form
    316,318.90/473,787.15 = 245,643.70/x
  3. Step 3: Cross multiply
    316,318.90x = 473,787.15 × 245,643.70
  4. Step 4: Simplify right side
    316,318.90x = 116,382,828,538.46
  5. Step 5: Solve for x
    x = 116,382,828,538.46/316,318.90
  6. Step 6: Final answer
    x = 367,928.78

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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.