Home / 338,416.76-507,283.34-212,145.52

Finding the Fourth Proportional to 338,416.76, 507,283.34 and 212,145.52

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Solution

The fourth proportional to 338,416.76, 507,283.34 and 212,145.52 is: 318,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,416.76 : 507,283.34 = 212,145.52 : x
  2. Step 2: Convert to fraction form
    338,416.76/507,283.34 = 212,145.52/x
  3. Step 3: Cross multiply
    338,416.76x = 507,283.34 × 212,145.52
  4. Step 4: Simplify right side
    338,416.76x = 107,617,887,951.64
  5. Step 5: Solve for x
    x = 107,617,887,951.64/338,416.76
  6. Step 6: Final answer
    x = 318,004.01

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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.