Home / 242,904.80-363,900.36-163,881.20

Finding the Fourth Proportional to 242,904.80, 363,900.36 and 163,881.20

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Solution

The fourth proportional to 242,904.80, 363,900.36 and 163,881.20 is: 245,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,904.80 : 363,900.36 = 163,881.20 : x
  2. Step 2: Convert to fraction form
    242,904.80/363,900.36 = 163,881.20/x
  3. Step 3: Cross multiply
    242,904.80x = 363,900.36 × 163,881.20
  4. Step 4: Simplify right side
    242,904.80x = 59,636,427,677.23
  5. Step 5: Solve for x
    x = 59,636,427,677.23/242,904.80
  6. Step 6: Final answer
    x = 245,513.58

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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.