Home / 347,908.19-521,697.78-134,775.93

Finding the Fourth Proportional to 347,908.19, 521,697.78 and 134,775.93

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Solution

The fourth proportional to 347,908.19, 521,697.78 and 134,775.93 is: 202,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,908.19 : 521,697.78 = 134,775.93 : x
  2. Step 2: Convert to fraction form
    347,908.19/521,697.78 = 134,775.93/x
  3. Step 3: Cross multiply
    347,908.19x = 521,697.78 × 134,775.93
  4. Step 4: Simplify right side
    347,908.19x = 70,312,303,478.44
  5. Step 5: Solve for x
    x = 70,312,303,478.44/347,908.19
  6. Step 6: Final answer
    x = 202,100.17

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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.