Home / 286,586.04-429,223.50-136,931.52

Finding the Fourth Proportional to 286,586.04, 429,223.50 and 136,931.52

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Solution

The fourth proportional to 286,586.04, 429,223.50 and 136,931.52 is: 205,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,586.04 : 429,223.50 = 136,931.52 : x
  2. Step 2: Convert to fraction form
    286,586.04/429,223.50 = 136,931.52/x
  3. Step 3: Cross multiply
    286,586.04x = 429,223.50 × 136,931.52
  4. Step 4: Simplify right side
    286,586.04x = 58,774,226,274.72
  5. Step 5: Solve for x
    x = 58,774,226,274.72/286,586.04
  6. Step 6: Final answer
    x = 205,084.05

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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.