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Finding the Fourth Proportional to 403,319.70, 603,459.50 and 240,612.03

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Solution

The fourth proportional to 403,319.70, 603,459.50 and 240,612.03 is: 360,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,319.70 : 603,459.50 = 240,612.03 : x
  2. Step 2: Convert to fraction form
    403,319.70/603,459.50 = 240,612.03/x
  3. Step 3: Cross multiply
    403,319.70x = 603,459.50 × 240,612.03
  4. Step 4: Simplify right side
    403,319.70x = 145,199,614,114.73
  5. Step 5: Solve for x
    x = 145,199,614,114.73/403,319.70
  6. Step 6: Final answer
    x = 360,011.21

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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.