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Finding the Fourth Proportional to 600,017.40, 900,035.70 and 156,785.40

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Solution

The fourth proportional to 600,017.40, 900,035.70 and 156,785.40 is: 235,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,017.40 : 900,035.70 = 156,785.40 : x
  2. Step 2: Convert to fraction form
    600,017.40/900,035.70 = 156,785.40/x
  3. Step 3: Cross multiply
    600,017.40x = 900,035.70 × 156,785.40
  4. Step 4: Simplify right side
    600,017.40x = 141,112,457,238.78
  5. Step 5: Solve for x
    x = 141,112,457,238.78/600,017.40
  6. Step 6: Final answer
    x = 235,180.61

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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.