Home / 384,719.02-577,144.59-171,562.66

Finding the Fourth Proportional to 384,719.02, 577,144.59 and 171,562.66

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Solution

The fourth proportional to 384,719.02, 577,144.59 and 171,562.66 is: 257,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,719.02 : 577,144.59 = 171,562.66 : x
  2. Step 2: Convert to fraction form
    384,719.02/577,144.59 = 171,562.66/x
  3. Step 3: Cross multiply
    384,719.02x = 577,144.59 × 171,562.66
  4. Step 4: Simplify right side
    384,719.02x = 99,016,461,065.01
  5. Step 5: Solve for x
    x = 99,016,461,065.01/384,719.02
  6. Step 6: Final answer
    x = 257,373.45

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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.