Home / 315,314.25-472,577.73-157,587.81

Finding the Fourth Proportional to 315,314.25, 472,577.73 and 157,587.81

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Solution

The fourth proportional to 315,314.25, 472,577.73 and 157,587.81 is: 236,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,314.25 : 472,577.73 = 157,587.81 : x
  2. Step 2: Convert to fraction form
    315,314.25/472,577.73 = 157,587.81/x
  3. Step 3: Cross multiply
    315,314.25x = 472,577.73 × 157,587.81
  4. Step 4: Simplify right side
    315,314.25x = 74,472,489,525.47
  5. Step 5: Solve for x
    x = 74,472,489,525.47/315,314.25
  6. Step 6: Final answer
    x = 236,184.98

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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.