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Finding the Fourth Proportional to 145,328.96, 218,048.80 and 50,569.68

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Solution

The fourth proportional to 145,328.96, 218,048.80 and 50,569.68 is: 75,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,328.96 : 218,048.80 = 50,569.68 : x
  2. Step 2: Convert to fraction form
    145,328.96/218,048.80 = 50,569.68/x
  3. Step 3: Cross multiply
    145,328.96x = 218,048.80 × 50,569.68
  4. Step 4: Simplify right side
    145,328.96x = 11,026,658,040.38
  5. Step 5: Solve for x
    x = 11,026,658,040.38/145,328.96
  6. Step 6: Final answer
    x = 75,873.78

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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.