Home / 219,007.20-328,510.80-174,720.45

Finding the Fourth Proportional to 219,007.20, 328,510.80 and 174,720.45

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Solution

The fourth proportional to 219,007.20, 328,510.80 and 174,720.45 is: 262,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,007.20 : 328,510.80 = 174,720.45 : x
  2. Step 2: Convert to fraction form
    219,007.20/328,510.80 = 174,720.45/x
  3. Step 3: Cross multiply
    219,007.20x = 328,510.80 × 174,720.45
  4. Step 4: Simplify right side
    219,007.20x = 57,397,554,805.86
  5. Step 5: Solve for x
    x = 57,397,554,805.86/219,007.20
  6. Step 6: Final answer
    x = 262,080.68

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1.5x scale

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.