Home / 357,807.24-493,779-196,677.12

Finding the Fourth Proportional to 357,807.24, 493,779 and 196,677.12

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Solution

The fourth proportional to 357,807.24, 493,779 and 196,677.12 is: 271,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,807.24 : 493,779 = 196,677.12 : x
  2. Step 2: Convert to fraction form
    357,807.24/493,779 = 196,677.12/x
  3. Step 3: Cross multiply
    357,807.24x = 493,779 × 196,677.12
  4. Step 4: Simplify right side
    357,807.24x = 97,115,031,636.48
  5. Step 5: Solve for x
    x = 97,115,031,636.48/357,807.24
  6. Step 6: Final answer
    x = 271,417.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.