Home / 508,919.16-763,320.42-134,971.32

Finding the Fourth Proportional to 508,919.16, 763,320.42 and 134,971.32

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Solution

The fourth proportional to 508,919.16, 763,320.42 and 134,971.32 is: 202,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,919.16 : 763,320.42 = 134,971.32 : x
  2. Step 2: Convert to fraction form
    508,919.16/763,320.42 = 134,971.32/x
  3. Step 3: Cross multiply
    508,919.16x = 763,320.42 × 134,971.32
  4. Step 4: Simplify right side
    508,919.16x = 103,026,364,670.35
  5. Step 5: Solve for x
    x = 103,026,364,670.35/508,919.16
  6. Step 6: Final answer
    x = 202,441.51

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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.