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Finding the Fourth Proportional to 338,882.10, 507,521.64 and 294,266.37

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Solution

The fourth proportional to 338,882.10, 507,521.64 and 294,266.37 is: 440,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,882.10 : 507,521.64 = 294,266.37 : x
  2. Step 2: Convert to fraction form
    338,882.10/507,521.64 = 294,266.37/x
  3. Step 3: Cross multiply
    338,882.10x = 507,521.64 × 294,266.37
  4. Step 4: Simplify right side
    338,882.10x = 149,346,550,699.25
  5. Step 5: Solve for x
    x = 149,346,550,699.25/338,882.10
  6. Step 6: Final answer
    x = 440,703.57

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1.5x scale

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.