Home / 412,547.30-618,734.55-202,336.10

Finding the Fourth Proportional to 412,547.30, 618,734.55 and 202,336.10

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Solution

The fourth proportional to 412,547.30, 618,734.55 and 202,336.10 is: 303,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,547.30 : 618,734.55 = 202,336.10 : x
  2. Step 2: Convert to fraction form
    412,547.30/618,734.55 = 202,336.10/x
  3. Step 3: Cross multiply
    412,547.30x = 618,734.55 × 202,336.10
  4. Step 4: Simplify right side
    412,547.30x = 125,192,335,782.26
  5. Step 5: Solve for x
    x = 125,192,335,782.26/412,547.30
  6. Step 6: Final answer
    x = 303,461.77

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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.