Home / 457,442.02-631,210.89-256,238.02

Finding the Fourth Proportional to 457,442.02, 631,210.89 and 256,238.02

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Solution

The fourth proportional to 457,442.02, 631,210.89 and 256,238.02 is: 353,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,442.02 : 631,210.89 = 256,238.02 : x
  2. Step 2: Convert to fraction form
    457,442.02/631,210.89 = 256,238.02/x
  3. Step 3: Cross multiply
    457,442.02x = 631,210.89 × 256,238.02
  4. Step 4: Simplify right side
    457,442.02x = 161,740,228,656.04
  5. Step 5: Solve for x
    x = 161,740,228,656.04/457,442.02
  6. Step 6: Final answer
    x = 353,575.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.