Home / 358,715.08-537,885.79-133,890.64

Finding the Fourth Proportional to 358,715.08, 537,885.79 and 133,890.64

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Solution

The fourth proportional to 358,715.08, 537,885.79 and 133,890.64 is: 200,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,715.08 : 537,885.79 = 133,890.64 : x
  2. Step 2: Convert to fraction form
    358,715.08/537,885.79 = 133,890.64/x
  3. Step 3: Cross multiply
    358,715.08x = 537,885.79 × 133,890.64
  4. Step 4: Simplify right side
    358,715.08x = 72,017,872,670.01
  5. Step 5: Solve for x
    x = 72,017,872,670.01/358,715.08
  6. Step 6: Final answer
    x = 200,766.23

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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.