Home / 407,038.03-561,746.88-225,808.29

Finding the Fourth Proportional to 407,038.03, 561,746.88 and 225,808.29

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Solution

The fourth proportional to 407,038.03, 561,746.88 and 225,808.29 is: 311,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,038.03 : 561,746.88 = 225,808.29 : x
  2. Step 2: Convert to fraction form
    407,038.03/561,746.88 = 225,808.29/x
  3. Step 3: Cross multiply
    407,038.03x = 561,746.88 × 225,808.29
  4. Step 4: Simplify right side
    407,038.03x = 126,847,102,385.64
  5. Step 5: Solve for x
    x = 126,847,102,385.64/407,038.03
  6. Step 6: Final answer
    x = 311,634.53

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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.