Home / 277,490.16-416,066.68-108,808.40

Finding the Fourth Proportional to 277,490.16, 416,066.68 and 108,808.40

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Solution

The fourth proportional to 277,490.16, 416,066.68 and 108,808.40 is: 163,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,490.16 : 416,066.68 = 108,808.40 : x
  2. Step 2: Convert to fraction form
    277,490.16/416,066.68 = 108,808.40/x
  3. Step 3: Cross multiply
    277,490.16x = 416,066.68 × 108,808.40
  4. Step 4: Simplify right side
    277,490.16x = 45,271,549,744.11
  5. Step 5: Solve for x
    x = 45,271,549,744.11/277,490.16
  6. Step 6: Final answer
    x = 163,146.50

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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.