Home / 376,829.10-564,587.55-243,640.80

Finding the Fourth Proportional to 376,829.10, 564,587.55 and 243,640.80

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Solution

The fourth proportional to 376,829.10, 564,587.55 and 243,640.80 is: 365,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,829.10 : 564,587.55 = 243,640.80 : x
  2. Step 2: Convert to fraction form
    376,829.10/564,587.55 = 243,640.80/x
  3. Step 3: Cross multiply
    376,829.10x = 564,587.55 × 243,640.80
  4. Step 4: Simplify right side
    376,829.10x = 137,556,562,352.04
  5. Step 5: Solve for x
    x = 137,556,562,352.04/376,829.10
  6. Step 6: Final answer
    x = 365,037.00

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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.