Home / 448,836.55-619,309.69-267,565.34

Finding the Fourth Proportional to 448,836.55, 619,309.69 and 267,565.34

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Solution

The fourth proportional to 448,836.55, 619,309.69 and 267,565.34 is: 369,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,836.55 : 619,309.69 = 267,565.34 : x
  2. Step 2: Convert to fraction form
    448,836.55/619,309.69 = 267,565.34/x
  3. Step 3: Cross multiply
    448,836.55x = 619,309.69 × 267,565.34
  4. Step 4: Simplify right side
    448,836.55x = 165,705,808,649.51
  5. Step 5: Solve for x
    x = 165,705,808,649.51/448,836.55
  6. Step 6: Final answer
    x = 369,189.65

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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.