Home / 305,437.10-458,045.84-105,703.24

Finding the Fourth Proportional to 305,437.10, 458,045.84 and 105,703.24

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Solution

The fourth proportional to 305,437.10, 458,045.84 and 105,703.24 is: 158,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,437.10 : 458,045.84 = 105,703.24 : x
  2. Step 2: Convert to fraction form
    305,437.10/458,045.84 = 105,703.24/x
  3. Step 3: Cross multiply
    305,437.10x = 458,045.84 × 105,703.24
  4. Step 4: Simplify right side
    305,437.10x = 48,416,929,356.52
  5. Step 5: Solve for x
    x = 48,416,929,356.52/305,437.10
  6. Step 6: Final answer
    x = 158,516.86

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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.