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Finding the Fourth Proportional to 313,572.08, 432,737.52 and 170,340.32

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Solution

The fourth proportional to 313,572.08, 432,737.52 and 170,340.32 is: 235,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,572.08 : 432,737.52 = 170,340.32 : x
  2. Step 2: Convert to fraction form
    313,572.08/432,737.52 = 170,340.32/x
  3. Step 3: Cross multiply
    313,572.08x = 432,737.52 × 170,340.32
  4. Step 4: Simplify right side
    313,572.08x = 73,712,647,632.81
  5. Step 5: Solve for x
    x = 73,712,647,632.81/313,572.08
  6. Step 6: Final answer
    x = 235,074.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.