Home / 317,385.12-437,991.47-181,422.02

Finding the Fourth Proportional to 317,385.12, 437,991.47 and 181,422.02

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Solution

The fourth proportional to 317,385.12, 437,991.47 and 181,422.02 is: 250,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,385.12 : 437,991.47 = 181,422.02 : x
  2. Step 2: Convert to fraction form
    317,385.12/437,991.47 = 181,422.02/x
  3. Step 3: Cross multiply
    317,385.12x = 437,991.47 × 181,422.02
  4. Step 4: Simplify right side
    317,385.12x = 79,461,295,784.12
  5. Step 5: Solve for x
    x = 79,461,295,784.12/317,385.12
  6. Step 6: Final answer
    x = 250,362.38

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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.