Home / 207,549.10-286,332.78-153,231.22

Finding the Fourth Proportional to 207,549.10, 286,332.78 and 153,231.22

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Solution

The fourth proportional to 207,549.10, 286,332.78 and 153,231.22 is: 211,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,549.10 : 286,332.78 = 153,231.22 : x
  2. Step 2: Convert to fraction form
    207,549.10/286,332.78 = 153,231.22/x
  3. Step 3: Cross multiply
    207,549.10x = 286,332.78 × 153,231.22
  4. Step 4: Simplify right side
    207,549.10x = 43,875,121,205.39
  5. Step 5: Solve for x
    x = 43,875,121,205.39/207,549.10
  6. Step 6: Final answer
    x = 211,396.35

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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.