Home / 542,948.48-813,938.77-206,225.60

Finding the Fourth Proportional to 542,948.48, 813,938.77 and 206,225.60

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Solution

The fourth proportional to 542,948.48, 813,938.77 and 206,225.60 is: 309,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,948.48 : 813,938.77 = 206,225.60 : x
  2. Step 2: Convert to fraction form
    542,948.48/813,938.77 = 206,225.60/x
  3. Step 3: Cross multiply
    542,948.48x = 813,938.77 × 206,225.60
  4. Step 4: Simplify right side
    542,948.48x = 167,855,011,206.51
  5. Step 5: Solve for x
    x = 167,855,011,206.51/542,948.48
  6. Step 6: Final answer
    x = 309,154.58

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1.5x scale

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.