Home / 285,276.51-393,693.89-157,952.12

Finding the Fourth Proportional to 285,276.51, 393,693.89 and 157,952.12

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Solution

The fourth proportional to 285,276.51, 393,693.89 and 157,952.12 is: 217,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,276.51 : 393,693.89 = 157,952.12 : x
  2. Step 2: Convert to fraction form
    285,276.51/393,693.89 = 157,952.12/x
  3. Step 3: Cross multiply
    285,276.51x = 393,693.89 × 157,952.12
  4. Step 4: Simplify right side
    285,276.51x = 62,184,781,798.32
  5. Step 5: Solve for x
    x = 62,184,781,798.32/285,276.51
  6. Step 6: Final answer
    x = 217,980.73

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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.