Home / 379,877.07-569,815.29-152,275.52

Finding the Fourth Proportional to 379,877.07, 569,815.29 and 152,275.52

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Solution

The fourth proportional to 379,877.07, 569,815.29 and 152,275.52 is: 228,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,877.07 : 569,815.29 = 152,275.52 : x
  2. Step 2: Convert to fraction form
    379,877.07/569,815.29 = 152,275.52/x
  3. Step 3: Cross multiply
    379,877.07x = 569,815.29 × 152,275.52
  4. Step 4: Simplify right side
    379,877.07x = 86,768,921,013.24
  5. Step 5: Solve for x
    x = 86,768,921,013.24/379,877.07
  6. Step 6: Final answer
    x = 228,413.16

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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.