Home / 437,156.98-603,307.80-243,580.78

Finding the Fourth Proportional to 437,156.98, 603,307.80 and 243,580.78

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Solution

The fourth proportional to 437,156.98, 603,307.80 and 243,580.78 is: 336,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,156.98 : 603,307.80 = 243,580.78 : x
  2. Step 2: Convert to fraction form
    437,156.98/603,307.80 = 243,580.78/x
  3. Step 3: Cross multiply
    437,156.98x = 603,307.80 × 243,580.78
  4. Step 4: Simplify right side
    437,156.98x = 146,954,184,504.08
  5. Step 5: Solve for x
    x = 146,954,184,504.08/437,156.98
  6. Step 6: Final answer
    x = 336,158.84

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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.