Home / 242,316.90-363,864.15-163,779.30

Finding the Fourth Proportional to 242,316.90, 363,864.15 and 163,779.30

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Solution

The fourth proportional to 242,316.90, 363,864.15 and 163,779.30 is: 245,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,316.90 : 363,864.15 = 163,779.30 : x
  2. Step 2: Convert to fraction form
    242,316.90/363,864.15 = 163,779.30/x
  3. Step 3: Cross multiply
    242,316.90x = 363,864.15 × 163,779.30
  4. Step 4: Simplify right side
    242,316.90x = 59,593,415,782.10
  5. Step 5: Solve for x
    x = 59,593,415,782.10/242,316.90
  6. Step 6: Final answer
    x = 245,931.74

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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.