Home / 280,699.02-421,069.86-93,710.52

Finding the Fourth Proportional to 280,699.02, 421,069.86 and 93,710.52

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Solution

The fourth proportional to 280,699.02, 421,069.86 and 93,710.52 is: 140,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,699.02 : 421,069.86 = 93,710.52 : x
  2. Step 2: Convert to fraction form
    280,699.02/421,069.86 = 93,710.52/x
  3. Step 3: Cross multiply
    280,699.02x = 421,069.86 × 93,710.52
  4. Step 4: Simplify right side
    280,699.02x = 39,458,675,536.93
  5. Step 5: Solve for x
    x = 39,458,675,536.93/280,699.02
  6. Step 6: Final answer
    x = 140,572.90

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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.