Home / 286,558.18-429,724.67-96,966.34

Finding the Fourth Proportional to 286,558.18, 429,724.67 and 96,966.34

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Solution

The fourth proportional to 286,558.18, 429,724.67 and 96,966.34 is: 145,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,558.18 : 429,724.67 = 96,966.34 : x
  2. Step 2: Convert to fraction form
    286,558.18/429,724.67 = 96,966.34/x
  3. Step 3: Cross multiply
    286,558.18x = 429,724.67 × 96,966.34
  4. Step 4: Simplify right side
    286,558.18x = 41,668,826,898.46
  5. Step 5: Solve for x
    x = 41,668,826,898.46/286,558.18
  6. Step 6: Final answer
    x = 145,411.40

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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.