Home / 455,875.90-683,822.66-140,332.50

Finding the Fourth Proportional to 455,875.90, 683,822.66 and 140,332.50

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Solution

The fourth proportional to 455,875.90, 683,822.66 and 140,332.50 is: 210,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,875.90 : 683,822.66 = 140,332.50 : x
  2. Step 2: Convert to fraction form
    455,875.90/683,822.66 = 140,332.50/x
  3. Step 3: Cross multiply
    455,875.90x = 683,822.66 × 140,332.50
  4. Step 4: Simplify right side
    455,875.90x = 95,962,542,732.79
  5. Step 5: Solve for x
    x = 95,962,542,732.79/455,875.90
  6. Step 6: Final answer
    x = 210,501.46

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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.