Home / 286,905.96-432,507.70-267,638.48

Finding the Fourth Proportional to 286,905.96, 432,507.70 and 267,638.48

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Solution

The fourth proportional to 286,905.96, 432,507.70 and 267,638.48 is: 403,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,905.96 : 432,507.70 = 267,638.48 : x
  2. Step 2: Convert to fraction form
    286,905.96/432,507.70 = 267,638.48/x
  3. Step 3: Cross multiply
    286,905.96x = 432,507.70 × 267,638.48
  4. Step 4: Simplify right side
    286,905.96x = 115,755,703,416.30
  5. Step 5: Solve for x
    x = 115,755,703,416.30/286,905.96
  6. Step 6: Final answer
    x = 403,462.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.