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Finding the Fourth Proportional to 364,346.34, 546,478.47 and 98,126.34

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Solution

The fourth proportional to 364,346.34, 546,478.47 and 98,126.34 is: 147,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,346.34 : 546,478.47 = 98,126.34 : x
  2. Step 2: Convert to fraction form
    364,346.34/546,478.47 = 98,126.34/x
  3. Step 3: Cross multiply
    364,346.34x = 546,478.47 × 98,126.34
  4. Step 4: Simplify right side
    364,346.34x = 53,623,932,149.90
  5. Step 5: Solve for x
    x = 53,623,932,149.90/364,346.34
  6. Step 6: Final answer
    x = 147,178.46

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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.