Home / 369,530.40-554,295.60-328,196.10

Finding the Fourth Proportional to 369,530.40, 554,295.60 and 328,196.10

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Solution

The fourth proportional to 369,530.40, 554,295.60 and 328,196.10 is: 492,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,530.40 : 554,295.60 = 328,196.10 : x
  2. Step 2: Convert to fraction form
    369,530.40/554,295.60 = 328,196.10/x
  3. Step 3: Cross multiply
    369,530.40x = 554,295.60 × 328,196.10
  4. Step 4: Simplify right side
    369,530.40x = 181,917,654,167.16
  5. Step 5: Solve for x
    x = 181,917,654,167.16/369,530.40
  6. Step 6: Final answer
    x = 492,294.15

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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.