Home / 237,549.10-355,827.85-142,477.78

Finding the Fourth Proportional to 237,549.10, 355,827.85 and 142,477.78

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Solution

The fourth proportional to 237,549.10, 355,827.85 and 142,477.78 is: 213,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,549.10 : 355,827.85 = 142,477.78 : x
  2. Step 2: Convert to fraction form
    237,549.10/355,827.85 = 142,477.78/x
  3. Step 3: Cross multiply
    237,549.10x = 355,827.85 × 142,477.78
  4. Step 4: Simplify right side
    237,549.10x = 50,697,562,130.17
  5. Step 5: Solve for x
    x = 50,697,562,130.17/237,549.10
  6. Step 6: Final answer
    x = 213,419.30

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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.