Home / 347,628.64-521,499.36-107,686.48

Finding the Fourth Proportional to 347,628.64, 521,499.36 and 107,686.48

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Solution

The fourth proportional to 347,628.64, 521,499.36 and 107,686.48 is: 161,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,628.64 : 521,499.36 = 107,686.48 : x
  2. Step 2: Convert to fraction form
    347,628.64/521,499.36 = 107,686.48/x
  3. Step 3: Cross multiply
    347,628.64x = 521,499.36 × 107,686.48
  4. Step 4: Simplify right side
    347,628.64x = 56,158,430,400.65
  5. Step 5: Solve for x
    x = 56,158,430,400.65/347,628.64
  6. Step 6: Final answer
    x = 161,547.19

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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.