Home / 445,068.02-667,707.03-145,547.43

Finding the Fourth Proportional to 445,068.02, 667,707.03 and 145,547.43

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Solution

The fourth proportional to 445,068.02, 667,707.03 and 145,547.43 is: 218,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,068.02 : 667,707.03 = 145,547.43 : x
  2. Step 2: Convert to fraction form
    445,068.02/667,707.03 = 145,547.43/x
  3. Step 3: Cross multiply
    445,068.02x = 667,707.03 × 145,547.43
  4. Step 4: Simplify right side
    445,068.02x = 97,183,042,209.43
  5. Step 5: Solve for x
    x = 97,183,042,209.43/445,068.02
  6. Step 6: Final answer
    x = 218,355.48

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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.