Home / 443,429.58-611,931.87-242,225.58

Finding the Fourth Proportional to 443,429.58, 611,931.87 and 242,225.58

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Solution

The fourth proportional to 443,429.58, 611,931.87 and 242,225.58 is: 334,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,429.58 : 611,931.87 = 242,225.58 : x
  2. Step 2: Convert to fraction form
    443,429.58/611,931.87 = 242,225.58/x
  3. Step 3: Cross multiply
    443,429.58x = 611,931.87 × 242,225.58
  4. Step 4: Simplify right side
    443,429.58x = 148,225,552,131.24
  5. Step 5: Solve for x
    x = 148,225,552,131.24/443,429.58
  6. Step 6: Final answer
    x = 334,270.78

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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.