Home / 257,413.45-354,836.81-180,717.38

Finding the Fourth Proportional to 257,413.45, 354,836.81 and 180,717.38

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Solution

The fourth proportional to 257,413.45, 354,836.81 and 180,717.38 is: 249,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,413.45 : 354,836.81 = 180,717.38 : x
  2. Step 2: Convert to fraction form
    257,413.45/354,836.81 = 180,717.38/x
  3. Step 3: Cross multiply
    257,413.45x = 354,836.81 × 180,717.38
  4. Step 4: Simplify right side
    257,413.45x = 64,125,178,630.76
  5. Step 5: Solve for x
    x = 64,125,178,630.76/257,413.45
  6. Step 6: Final answer
    x = 249,113.55

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1.5x scale

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.