Home / 281,979.36-389,130.48-174,528

Finding the Fourth Proportional to 281,979.36, 389,130.48 and 174,528

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Solution

The fourth proportional to 281,979.36, 389,130.48 and 174,528 is: 240,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,979.36 : 389,130.48 = 174,528 : x
  2. Step 2: Convert to fraction form
    281,979.36/389,130.48 = 174,528/x
  3. Step 3: Cross multiply
    281,979.36x = 389,130.48 × 174,528
  4. Step 4: Simplify right side
    281,979.36x = 67,914,164,413.44
  5. Step 5: Solve for x
    x = 67,914,164,413.44/281,979.36
  6. Step 6: Final answer
    x = 240,848.00

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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.