Home / 310,054.26-427,875.12-181,080.66

Finding the Fourth Proportional to 310,054.26, 427,875.12 and 181,080.66

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Solution

The fourth proportional to 310,054.26, 427,875.12 and 181,080.66 is: 249,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,054.26 : 427,875.12 = 181,080.66 : x
  2. Step 2: Convert to fraction form
    310,054.26/427,875.12 = 181,080.66/x
  3. Step 3: Cross multiply
    310,054.26x = 427,875.12 × 181,080.66
  4. Step 4: Simplify right side
    310,054.26x = 77,479,909,127.18
  5. Step 5: Solve for x
    x = 77,479,909,127.18/310,054.26
  6. Step 6: Final answer
    x = 249,891.45

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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.