Home / 298,278.32-447,417.57-245,577.11

Finding the Fourth Proportional to 298,278.32, 447,417.57 and 245,577.11

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Solution

The fourth proportional to 298,278.32, 447,417.57 and 245,577.11 is: 368,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,278.32 : 447,417.57 = 245,577.11 : x
  2. Step 2: Convert to fraction form
    298,278.32/447,417.57 = 245,577.11/x
  3. Step 3: Cross multiply
    298,278.32x = 447,417.57 × 245,577.11
  4. Step 4: Simplify right side
    298,278.32x = 109,875,513,803.82
  5. Step 5: Solve for x
    x = 109,875,513,803.82/298,278.32
  6. Step 6: Final answer
    x = 368,365.74

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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.