Home / 385,151.42-531,499.02-213,064.94

Finding the Fourth Proportional to 385,151.42, 531,499.02 and 213,064.94

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Solution

The fourth proportional to 385,151.42, 531,499.02 and 213,064.94 is: 294,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,151.42 : 531,499.02 = 213,064.94 : x
  2. Step 2: Convert to fraction form
    385,151.42/531,499.02 = 213,064.94/x
  3. Step 3: Cross multiply
    385,151.42x = 531,499.02 × 213,064.94
  4. Step 4: Simplify right side
    385,151.42x = 113,243,806,806.36
  5. Step 5: Solve for x
    x = 113,243,806,806.36/385,151.42
  6. Step 6: Final answer
    x = 294,024.12

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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.