Home / 286,842.09-430,069.02-160,569.52

Finding the Fourth Proportional to 286,842.09, 430,069.02 and 160,569.52

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Solution

The fourth proportional to 286,842.09, 430,069.02 and 160,569.52 is: 240,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,842.09 : 430,069.02 = 160,569.52 : x
  2. Step 2: Convert to fraction form
    286,842.09/430,069.02 = 160,569.52/x
  3. Step 3: Cross multiply
    286,842.09x = 430,069.02 × 160,569.52
  4. Step 4: Simplify right side
    286,842.09x = 69,055,976,108.27
  5. Step 5: Solve for x
    x = 69,055,976,108.27/286,842.09
  6. Step 6: Final answer
    x = 240,745.62

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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.