Home / 358,985.80-537,312.30-279,670.60

Finding the Fourth Proportional to 358,985.80, 537,312.30 and 279,670.60

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Solution

The fourth proportional to 358,985.80, 537,312.30 and 279,670.60 is: 418,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,985.80 : 537,312.30 = 279,670.60 : x
  2. Step 2: Convert to fraction form
    358,985.80/537,312.30 = 279,670.60/x
  3. Step 3: Cross multiply
    358,985.80x = 537,312.30 × 279,670.60
  4. Step 4: Simplify right side
    358,985.80x = 150,270,453,328.38
  5. Step 5: Solve for x
    x = 150,270,453,328.38/358,985.80
  6. Step 6: Final answer
    x = 418,597.21

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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.