Home / 385,721.45-578,673.90-160,956.98

Finding the Fourth Proportional to 385,721.45, 578,673.90 and 160,956.98

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Solution

The fourth proportional to 385,721.45, 578,673.90 and 160,956.98 is: 241,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,721.45 : 578,673.90 = 160,956.98 : x
  2. Step 2: Convert to fraction form
    385,721.45/578,673.90 = 160,956.98/x
  3. Step 3: Cross multiply
    385,721.45x = 578,673.90 × 160,956.98
  4. Step 4: Simplify right side
    385,721.45x = 93,141,600,455.45
  5. Step 5: Solve for x
    x = 93,141,600,455.45/385,721.45
  6. Step 6: Final answer
    x = 241,473.74

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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.