Home / 347,136.36-478,855.40-201,925.79

Finding the Fourth Proportional to 347,136.36, 478,855.40 and 201,925.79

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Solution

The fourth proportional to 347,136.36, 478,855.40 and 201,925.79 is: 278,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,136.36 : 478,855.40 = 201,925.79 : x
  2. Step 2: Convert to fraction form
    347,136.36/478,855.40 = 201,925.79/x
  3. Step 3: Cross multiply
    347,136.36x = 478,855.40 × 201,925.79
  4. Step 4: Simplify right side
    347,136.36x = 96,693,251,536.86
  5. Step 5: Solve for x
    x = 96,693,251,536.86/347,136.36
  6. Step 6: Final answer
    x = 278,545.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.