Home / 370,189.92-555,513.36-145,511.04

Finding the Fourth Proportional to 370,189.92, 555,513.36 and 145,511.04

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Solution

The fourth proportional to 370,189.92, 555,513.36 and 145,511.04 is: 218,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,189.92 : 555,513.36 = 145,511.04 : x
  2. Step 2: Convert to fraction form
    370,189.92/555,513.36 = 145,511.04/x
  3. Step 3: Cross multiply
    370,189.92x = 555,513.36 × 145,511.04
  4. Step 4: Simplify right side
    370,189.92x = 80,833,326,747.49
  5. Step 5: Solve for x
    x = 80,833,326,747.49/370,189.92
  6. Step 6: Final answer
    x = 218,356.37

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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.