Home / 423,274.15-634,904.25-170,548.48

Finding the Fourth Proportional to 423,274.15, 634,904.25 and 170,548.48

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Solution

The fourth proportional to 423,274.15, 634,904.25 and 170,548.48 is: 255,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,274.15 : 634,904.25 = 170,548.48 : x
  2. Step 2: Convert to fraction form
    423,274.15/634,904.25 = 170,548.48/x
  3. Step 3: Cross multiply
    423,274.15x = 634,904.25 × 170,548.48
  4. Step 4: Simplify right side
    423,274.15x = 108,281,954,783.04
  5. Step 5: Solve for x
    x = 108,281,954,783.04/423,274.15
  6. Step 6: Final answer
    x = 255,819.91

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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.