Home / 289,252.14-433,875.69-78,889.74

Finding the Fourth Proportional to 289,252.14, 433,875.69 and 78,889.74

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Solution

The fourth proportional to 289,252.14, 433,875.69 and 78,889.74 is: 118,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,252.14 : 433,875.69 = 78,889.74 : x
  2. Step 2: Convert to fraction form
    289,252.14/433,875.69 = 78,889.74/x
  3. Step 3: Cross multiply
    289,252.14x = 433,875.69 × 78,889.74
  4. Step 4: Simplify right side
    289,252.14x = 34,228,340,376.42
  5. Step 5: Solve for x
    x = 34,228,340,376.42/289,252.14
  6. Step 6: Final answer
    x = 118,333.92

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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.