Home / 245,718.30-368,577.45-121,302.30

Finding the Fourth Proportional to 245,718.30, 368,577.45 and 121,302.30

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Solution

The fourth proportional to 245,718.30, 368,577.45 and 121,302.30 is: 181,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,718.30 : 368,577.45 = 121,302.30 : x
  2. Step 2: Convert to fraction form
    245,718.30/368,577.45 = 121,302.30/x
  3. Step 3: Cross multiply
    245,718.30x = 368,577.45 × 121,302.30
  4. Step 4: Simplify right side
    245,718.30x = 44,709,292,413.14
  5. Step 5: Solve for x
    x = 44,709,292,413.14/245,718.30
  6. Step 6: Final answer
    x = 181,953.45

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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.