Home / 257,541.02-386,252.49-70,567.10

Finding the Fourth Proportional to 257,541.02, 386,252.49 and 70,567.10

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Solution

The fourth proportional to 257,541.02, 386,252.49 and 70,567.10 is: 105,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,541.02 : 386,252.49 = 70,567.10 : x
  2. Step 2: Convert to fraction form
    257,541.02/386,252.49 = 70,567.10/x
  3. Step 3: Cross multiply
    257,541.02x = 386,252.49 × 70,567.10
  4. Step 4: Simplify right side
    257,541.02x = 27,256,718,087.08
  5. Step 5: Solve for x
    x = 27,256,718,087.08/257,541.02
  6. Step 6: Final answer
    x = 105,834.47

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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.