Home / 372,013.10-558,019.65-260,038.70

Finding the Fourth Proportional to 372,013.10, 558,019.65 and 260,038.70

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Solution

The fourth proportional to 372,013.10, 558,019.65 and 260,038.70 is: 390,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,013.10 : 558,019.65 = 260,038.70 : x
  2. Step 2: Convert to fraction form
    372,013.10/558,019.65 = 260,038.70/x
  3. Step 3: Cross multiply
    372,013.10x = 558,019.65 × 260,038.70
  4. Step 4: Simplify right side
    372,013.10x = 145,106,704,360.46
  5. Step 5: Solve for x
    x = 145,106,704,360.46/372,013.10
  6. Step 6: Final answer
    x = 390,058.05

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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.