Home / 286,440.48-395,276.88-159,124.08

Finding the Fourth Proportional to 286,440.48, 395,276.88 and 159,124.08

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Solution

The fourth proportional to 286,440.48, 395,276.88 and 159,124.08 is: 219,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,440.48 : 395,276.88 = 159,124.08 : x
  2. Step 2: Convert to fraction form
    286,440.48/395,276.88 = 159,124.08/x
  3. Step 3: Cross multiply
    286,440.48x = 395,276.88 × 159,124.08
  4. Step 4: Simplify right side
    286,440.48x = 62,898,069,875.27
  5. Step 5: Solve for x
    x = 62,898,069,875.27/286,440.48
  6. Step 6: Final answer
    x = 219,585.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.