Home / 309,409.08-464,146.02-131,934.84

Finding the Fourth Proportional to 309,409.08, 464,146.02 and 131,934.84

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Solution

The fourth proportional to 309,409.08, 464,146.02 and 131,934.84 is: 197,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,409.08 : 464,146.02 = 131,934.84 : x
  2. Step 2: Convert to fraction form
    309,409.08/464,146.02 = 131,934.84/x
  3. Step 3: Cross multiply
    309,409.08x = 464,146.02 × 131,934.84
  4. Step 4: Simplify right side
    309,409.08x = 61,237,030,885.34
  5. Step 5: Solve for x
    x = 61,237,030,885.34/309,409.08
  6. Step 6: Final answer
    x = 197,916.08

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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.