Home / 207,088.40-310,177.28-171,142.33

Finding the Fourth Proportional to 207,088.40, 310,177.28 and 171,142.33

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Solution

The fourth proportional to 207,088.40, 310,177.28 and 171,142.33 is: 256,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,088.40 : 310,177.28 = 171,142.33 : x
  2. Step 2: Convert to fraction form
    207,088.40/310,177.28 = 171,142.33/x
  3. Step 3: Cross multiply
    207,088.40x = 310,177.28 × 171,142.33
  4. Step 4: Simplify right side
    207,088.40x = 53,084,462,412.26
  5. Step 5: Solve for x
    x = 53,084,462,412.26/207,088.40
  6. Step 6: Final answer
    x = 256,337.21

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1.5x scale

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.