Home / 436,008.04-653,730.90-208,180.42

Finding the Fourth Proportional to 436,008.04, 653,730.90 and 208,180.42

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Solution

The fourth proportional to 436,008.04, 653,730.90 and 208,180.42 is: 312,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,008.04 : 653,730.90 = 208,180.42 : x
  2. Step 2: Convert to fraction form
    436,008.04/653,730.90 = 208,180.42/x
  3. Step 3: Cross multiply
    436,008.04x = 653,730.90 × 208,180.42
  4. Step 4: Simplify right side
    436,008.04x = 136,093,973,328.98
  5. Step 5: Solve for x
    x = 136,093,973,328.98/436,008.04
  6. Step 6: Final answer
    x = 312,136.38

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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.