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Finding the Fourth Proportional to 508,350.96, 761,994.34 and 171,275.16

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Solution

The fourth proportional to 508,350.96, 761,994.34 and 171,275.16 is: 256,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,350.96 : 761,994.34 = 171,275.16 : x
  2. Step 2: Convert to fraction form
    508,350.96/761,994.34 = 171,275.16/x
  3. Step 3: Cross multiply
    508,350.96x = 761,994.34 × 171,275.16
  4. Step 4: Simplify right side
    508,350.96x = 130,510,702,502.59
  5. Step 5: Solve for x
    x = 130,510,702,502.59/508,350.96
  6. Step 6: Final answer
    x = 256,733.46

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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.