Home / 314,973.93-472,657.73-127,985.43

Finding the Fourth Proportional to 314,973.93, 472,657.73 and 127,985.43

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Solution

The fourth proportional to 314,973.93, 472,657.73 and 127,985.43 is: 192,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,973.93 : 472,657.73 = 127,985.43 : x
  2. Step 2: Convert to fraction form
    314,973.93/472,657.73 = 127,985.43/x
  3. Step 3: Cross multiply
    314,973.93x = 472,657.73 × 127,985.43
  4. Step 4: Simplify right side
    314,973.93x = 60,493,302,816.87
  5. Step 5: Solve for x
    x = 60,493,302,816.87/314,973.93
  6. Step 6: Final answer
    x = 192,058.13

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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.