Home / 257,017.08-354,669.66-143,817.96

Finding the Fourth Proportional to 257,017.08, 354,669.66 and 143,817.96

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Solution

The fourth proportional to 257,017.08, 354,669.66 and 143,817.96 is: 198,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,017.08 : 354,669.66 = 143,817.96 : x
  2. Step 2: Convert to fraction form
    257,017.08/354,669.66 = 143,817.96/x
  3. Step 3: Cross multiply
    257,017.08x = 354,669.66 × 143,817.96
  4. Step 4: Simplify right side
    257,017.08x = 51,007,866,975.09
  5. Step 5: Solve for x
    x = 51,007,866,975.09/257,017.08
  6. Step 6: Final answer
    x = 198,461.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.