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Finding the Fourth Proportional to 400,200.60, 600,095.70 and 119,681.40

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Solution

The fourth proportional to 400,200.60, 600,095.70 and 119,681.40 is: 179,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,200.60 : 600,095.70 = 119,681.40 : x
  2. Step 2: Convert to fraction form
    400,200.60/600,095.70 = 119,681.40/x
  3. Step 3: Cross multiply
    400,200.60x = 600,095.70 × 119,681.40
  4. Step 4: Simplify right side
    400,200.60x = 71,820,293,509.98
  5. Step 5: Solve for x
    x = 71,820,293,509.98/400,200.60
  6. Step 6: Final answer
    x = 179,460.73

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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.