Home / 668,779.40-1,003,184.46-163,344.53

Finding the Fourth Proportional to 668,779.40, 1,003,184.46 and 163,344.53

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Solution

The fourth proportional to 668,779.40, 1,003,184.46 and 163,344.53 is: 245,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,779.40 : 1,003,184.46 = 163,344.53 : x
  2. Step 2: Convert to fraction form
    668,779.40/1,003,184.46 = 163,344.53/x
  3. Step 3: Cross multiply
    668,779.40x = 1,003,184.46 × 163,344.53
  4. Step 4: Simplify right side
    668,779.40x = 163,864,689,106.08
  5. Step 5: Solve for x
    x = 163,864,689,106.08/668,779.40
  6. Step 6: Final answer
    x = 245,020.54

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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.