Home / 385,020.27-577,570.02-145,336.05

Finding the Fourth Proportional to 385,020.27, 577,570.02 and 145,336.05

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Solution

The fourth proportional to 385,020.27, 577,570.02 and 145,336.05 is: 218,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,020.27 : 577,570.02 = 145,336.05 : x
  2. Step 2: Convert to fraction form
    385,020.27/577,570.02 = 145,336.05/x
  3. Step 3: Cross multiply
    385,020.27x = 577,570.02 × 145,336.05
  4. Step 4: Simplify right side
    385,020.27x = 83,941,745,305.22
  5. Step 5: Solve for x
    x = 83,941,745,305.22/385,020.27
  6. Step 6: Final answer
    x = 218,019.03

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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.