Home / 346,724.75-478,480.16-187,748.75

Finding the Fourth Proportional to 346,724.75, 478,480.16 and 187,748.75

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Solution

The fourth proportional to 346,724.75, 478,480.16 and 187,748.75 is: 259,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,724.75 : 478,480.16 = 187,748.75 : x
  2. Step 2: Convert to fraction form
    346,724.75/478,480.16 = 187,748.75/x
  3. Step 3: Cross multiply
    346,724.75x = 478,480.16 × 187,748.75
  4. Step 4: Simplify right side
    346,724.75x = 89,834,051,939.80
  5. Step 5: Solve for x
    x = 89,834,051,939.80/346,724.75
  6. Step 6: Final answer
    x = 259,093.28

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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.