Home / 429,995.16-645,273.66-163,758.24

Finding the Fourth Proportional to 429,995.16, 645,273.66 and 163,758.24

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Solution

The fourth proportional to 429,995.16, 645,273.66 and 163,758.24 is: 245,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,995.16 : 645,273.66 = 163,758.24 : x
  2. Step 2: Convert to fraction form
    429,995.16/645,273.66 = 163,758.24/x
  3. Step 3: Cross multiply
    429,995.16x = 645,273.66 × 163,758.24
  4. Step 4: Simplify right side
    429,995.16x = 105,668,878,879.96
  5. Step 5: Solve for x
    x = 105,668,878,879.96/429,995.16
  6. Step 6: Final answer
    x = 245,744.34

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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.