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Finding the Fourth Proportional to 302,325.21, 453,186.90 and 144,369

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Solution

The fourth proportional to 302,325.21, 453,186.90 and 144,369 is: 216,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,325.21 : 453,186.90 = 144,369 : x
  2. Step 2: Convert to fraction form
    302,325.21/453,186.90 = 144,369/x
  3. Step 3: Cross multiply
    302,325.21x = 453,186.90 × 144,369
  4. Step 4: Simplify right side
    302,325.21x = 65,426,139,566.10
  5. Step 5: Solve for x
    x = 65,426,139,566.10/302,325.21
  6. Step 6: Final answer
    x = 216,409.80

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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.