Home / 302,421.10-453,631.65-207,942.70

Finding the Fourth Proportional to 302,421.10, 453,631.65 and 207,942.70

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Solution

The fourth proportional to 302,421.10, 453,631.65 and 207,942.70 is: 311,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,421.10 : 453,631.65 = 207,942.70 : x
  2. Step 2: Convert to fraction form
    302,421.10/453,631.65 = 207,942.70/x
  3. Step 3: Cross multiply
    302,421.10x = 453,631.65 × 207,942.70
  4. Step 4: Simplify right side
    302,421.10x = 94,329,390,106.46
  5. Step 5: Solve for x
    x = 94,329,390,106.46/302,421.10
  6. Step 6: Final answer
    x = 311,914.05

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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.