Home / 307,727.10-461,547.45-97,386.30

Finding the Fourth Proportional to 307,727.10, 461,547.45 and 97,386.30

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Solution

The fourth proportional to 307,727.10, 461,547.45 and 97,386.30 is: 146,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,727.10 : 461,547.45 = 97,386.30 : x
  2. Step 2: Convert to fraction form
    307,727.10/461,547.45 = 97,386.30/x
  3. Step 3: Cross multiply
    307,727.10x = 461,547.45 × 97,386.30
  4. Step 4: Simplify right side
    307,727.10x = 44,948,398,429.94
  5. Step 5: Solve for x
    x = 44,948,398,429.94/307,727.10
  6. Step 6: Final answer
    x = 146,065.78

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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.