Home / 347,938.48-521,904.96-206,762.16

Finding the Fourth Proportional to 347,938.48, 521,904.96 and 206,762.16

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Solution

The fourth proportional to 347,938.48, 521,904.96 and 206,762.16 is: 310,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,938.48 : 521,904.96 = 206,762.16 : x
  2. Step 2: Convert to fraction form
    347,938.48/521,904.96 = 206,762.16/x
  3. Step 3: Cross multiply
    347,938.48x = 521,904.96 × 206,762.16
  4. Step 4: Simplify right side
    347,938.48x = 107,910,196,844.31
  5. Step 5: Solve for x
    x = 107,910,196,844.31/347,938.48
  6. Step 6: Final answer
    x = 310,141.60

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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.