Home / 272,985.79-376,715.28-152,124.42

Finding the Fourth Proportional to 272,985.79, 376,715.28 and 152,124.42

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Solution

The fourth proportional to 272,985.79, 376,715.28 and 152,124.42 is: 209,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,985.79 : 376,715.28 = 152,124.42 : x
  2. Step 2: Convert to fraction form
    272,985.79/376,715.28 = 152,124.42/x
  3. Step 3: Cross multiply
    272,985.79x = 376,715.28 × 152,124.42
  4. Step 4: Simplify right side
    272,985.79x = 57,307,593,475.14
  5. Step 5: Solve for x
    x = 57,307,593,475.14/272,985.79
  6. Step 6: Final answer
    x = 209,928.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.