Home / 307,427.64-461,284.04-129,976.08

Finding the Fourth Proportional to 307,427.64, 461,284.04 and 129,976.08

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Solution

The fourth proportional to 307,427.64, 461,284.04 and 129,976.08 is: 195,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,427.64 : 461,284.04 = 129,976.08 : x
  2. Step 2: Convert to fraction form
    307,427.64/461,284.04 = 129,976.08/x
  3. Step 3: Cross multiply
    307,427.64x = 461,284.04 × 129,976.08
  4. Step 4: Simplify right side
    307,427.64x = 59,955,891,285.76
  5. Step 5: Solve for x
    x = 59,955,891,285.76/307,427.64
  6. Step 6: Final answer
    x = 195,024.40

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1.5x scale

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.