Home / 646,622.12-969,933.08-197,345.30

Finding the Fourth Proportional to 646,622.12, 969,933.08 and 197,345.30

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Solution

The fourth proportional to 646,622.12, 969,933.08 and 197,345.30 is: 296,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,622.12 : 969,933.08 = 197,345.30 : x
  2. Step 2: Convert to fraction form
    646,622.12/969,933.08 = 197,345.30/x
  3. Step 3: Cross multiply
    646,622.12x = 969,933.08 × 197,345.30
  4. Step 4: Simplify right side
    646,622.12x = 191,411,730,296.22
  5. Step 5: Solve for x
    x = 191,411,730,296.22/646,622.12
  6. Step 6: Final answer
    x = 296,017.91

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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.