Home / 286,747.60-429,530.10-168,059.20

Finding the Fourth Proportional to 286,747.60, 429,530.10 and 168,059.20

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Solution

The fourth proportional to 286,747.60, 429,530.10 and 168,059.20 is: 251,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,747.60 : 429,530.10 = 168,059.20 : x
  2. Step 2: Convert to fraction form
    286,747.60/429,530.10 = 168,059.20/x
  3. Step 3: Cross multiply
    286,747.60x = 429,530.10 × 168,059.20
  4. Step 4: Simplify right side
    286,747.60x = 72,186,484,981.92
  5. Step 5: Solve for x
    x = 72,186,484,981.92/286,747.60
  6. Step 6: Final answer
    x = 251,742.25

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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.