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Finding the Fourth Proportional to 230,744.80, 346,117.20 and 171,695.80

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Solution

The fourth proportional to 230,744.80, 346,117.20 and 171,695.80 is: 257,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,744.80 : 346,117.20 = 171,695.80 : x
  2. Step 2: Convert to fraction form
    230,744.80/346,117.20 = 171,695.80/x
  3. Step 3: Cross multiply
    230,744.80x = 346,117.20 × 171,695.80
  4. Step 4: Simplify right side
    230,744.80x = 59,426,869,547.76
  5. Step 5: Solve for x
    x = 59,426,869,547.76/230,744.80
  6. Step 6: Final answer
    x = 257,543.70

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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.