Home / 257,567.36-386,326.40-157,676.13

Finding the Fourth Proportional to 257,567.36, 386,326.40 and 157,676.13

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Solution

The fourth proportional to 257,567.36, 386,326.40 and 157,676.13 is: 236,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,567.36 : 386,326.40 = 157,676.13 : x
  2. Step 2: Convert to fraction form
    257,567.36/386,326.40 = 157,676.13/x
  3. Step 3: Cross multiply
    257,567.36x = 386,326.40 × 157,676.13
  4. Step 4: Simplify right side
    257,567.36x = 60,914,450,880.45
  5. Step 5: Solve for x
    x = 60,914,450,880.45/257,567.36
  6. Step 6: Final answer
    x = 236,499.11

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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.