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Finding the Fourth Proportional to 346,251.60, 519,474.60 and 168,764.40

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Solution

The fourth proportional to 346,251.60, 519,474.60 and 168,764.40 is: 253,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,251.60 : 519,474.60 = 168,764.40 : x
  2. Step 2: Convert to fraction form
    346,251.60/519,474.60 = 168,764.40/x
  3. Step 3: Cross multiply
    346,251.60x = 519,474.60 × 168,764.40
  4. Step 4: Simplify right side
    346,251.60x = 87,668,819,184.24
  5. Step 5: Solve for x
    x = 87,668,819,184.24/346,251.60
  6. Step 6: Final answer
    x = 253,193.98

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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.