Home / 227,657.07-314,207.89-135,782.25

Finding the Fourth Proportional to 227,657.07, 314,207.89 and 135,782.25

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Solution

The fourth proportional to 227,657.07, 314,207.89 and 135,782.25 is: 187,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,657.07 : 314,207.89 = 135,782.25 : x
  2. Step 2: Convert to fraction form
    227,657.07/314,207.89 = 135,782.25/x
  3. Step 3: Cross multiply
    227,657.07x = 314,207.89 × 135,782.25
  4. Step 4: Simplify right side
    227,657.07x = 42,663,852,807.52
  5. Step 5: Solve for x
    x = 42,663,852,807.52/227,657.07
  6. Step 6: Final answer
    x = 187,404.03

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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.