Home / 316,928.04-474,320.43-308,398.74

Finding the Fourth Proportional to 316,928.04, 474,320.43 and 308,398.74

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Solution

The fourth proportional to 316,928.04, 474,320.43 and 308,398.74 is: 461,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,928.04 : 474,320.43 = 308,398.74 : x
  2. Step 2: Convert to fraction form
    316,928.04/474,320.43 = 308,398.74/x
  3. Step 3: Cross multiply
    316,928.04x = 474,320.43 × 308,398.74
  4. Step 4: Simplify right side
    316,928.04x = 146,279,822,968.26
  5. Step 5: Solve for x
    x = 146,279,822,968.26/316,928.04
  6. Step 6: Final answer
    x = 461,555.32

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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.