Home / 286,281.04-395,085.78-165,444.40

Finding the Fourth Proportional to 286,281.04, 395,085.78 and 165,444.40

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Solution

The fourth proportional to 286,281.04, 395,085.78 and 165,444.40 is: 228,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,281.04 : 395,085.78 = 165,444.40 : x
  2. Step 2: Convert to fraction form
    286,281.04/395,085.78 = 165,444.40/x
  3. Step 3: Cross multiply
    286,281.04x = 395,085.78 × 165,444.40
  4. Step 4: Simplify right side
    286,281.04x = 65,364,729,820.63
  5. Step 5: Solve for x
    x = 65,364,729,820.63/286,281.04
  6. Step 6: Final answer
    x = 228,323.64

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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.