Home / 314,125.59-471,241.30-145,577.55

Finding the Fourth Proportional to 314,125.59, 471,241.30 and 145,577.55

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Solution

The fourth proportional to 314,125.59, 471,241.30 and 145,577.55 is: 218,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,125.59 : 471,241.30 = 145,577.55 : x
  2. Step 2: Convert to fraction form
    314,125.59/471,241.30 = 145,577.55/x
  3. Step 3: Cross multiply
    314,125.59x = 471,241.30 × 145,577.55
  4. Step 4: Simplify right side
    314,125.59x = 68,602,151,192.66
  5. Step 5: Solve for x
    x = 68,602,151,192.66/314,125.59
  6. Step 6: Final answer
    x = 218,390.84

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1.5x scale

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.