Home / 314,734.70-472,298.88-127,746.20

Finding the Fourth Proportional to 314,734.70, 472,298.88 and 127,746.20

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Solution

The fourth proportional to 314,734.70, 472,298.88 and 127,746.20 is: 191,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,734.70 : 472,298.88 = 127,746.20 : x
  2. Step 2: Convert to fraction form
    314,734.70/472,298.88 = 127,746.20/x
  3. Step 3: Cross multiply
    314,734.70x = 472,298.88 × 127,746.20
  4. Step 4: Simplify right side
    314,734.70x = 60,334,387,184.26
  5. Step 5: Solve for x
    x = 60,334,387,184.26/314,734.70
  6. Step 6: Final answer
    x = 191,699.19

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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.