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Finding the Fourth Proportional to 608,405.96, 912,539.22 and 159,170.19

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Solution

The fourth proportional to 608,405.96, 912,539.22 and 159,170.19 is: 238,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,405.96 : 912,539.22 = 159,170.19 : x
  2. Step 2: Convert to fraction form
    608,405.96/912,539.22 = 159,170.19/x
  3. Step 3: Cross multiply
    608,405.96x = 912,539.22 × 159,170.19
  4. Step 4: Simplify right side
    608,405.96x = 145,249,041,029.85
  5. Step 5: Solve for x
    x = 145,249,041,029.85/608,405.96
  6. Step 6: Final answer
    x = 238,737.05

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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.