Home / 294,849.06-442,273.60-84,487

Finding the Fourth Proportional to 294,849.06, 442,273.60 and 84,487

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Solution

The fourth proportional to 294,849.06, 442,273.60 and 84,487 is: 126,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,849.06 : 442,273.60 = 84,487 : x
  2. Step 2: Convert to fraction form
    294,849.06/442,273.60 = 84,487/x
  3. Step 3: Cross multiply
    294,849.06x = 442,273.60 × 84,487
  4. Step 4: Simplify right side
    294,849.06x = 37,366,369,643.20
  5. Step 5: Solve for x
    x = 37,366,369,643.20/294,849.06
  6. Step 6: Final answer
    x = 126,730.50

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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.