Home / 314,350.07-471,525.25-103,988.00

Finding the Fourth Proportional to 314,350.07, 471,525.25 and 103,988.00

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Solution

The fourth proportional to 314,350.07, 471,525.25 and 103,988.00 is: 155,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,350.07 : 471,525.25 = 103,988.00 : x
  2. Step 2: Convert to fraction form
    314,350.07/471,525.25 = 103,988.00/x
  3. Step 3: Cross multiply
    314,350.07x = 471,525.25 × 103,988.00
  4. Step 4: Simplify right side
    314,350.07x = 49,032,968,810.82
  5. Step 5: Solve for x
    x = 49,032,968,810.82/314,350.07
  6. Step 6: Final answer
    x = 155,982.05

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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.