Home / 346,729.60-520,094.40-213,176.80

Finding the Fourth Proportional to 346,729.60, 520,094.40 and 213,176.80

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Solution

The fourth proportional to 346,729.60, 520,094.40 and 213,176.80 is: 319,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,729.60 : 520,094.40 = 213,176.80 : x
  2. Step 2: Convert to fraction form
    346,729.60/520,094.40 = 213,176.80/x
  3. Step 3: Cross multiply
    346,729.60x = 520,094.40 × 213,176.80
  4. Step 4: Simplify right side
    346,729.60x = 110,872,059,889.92
  5. Step 5: Solve for x
    x = 110,872,059,889.92/346,729.60
  6. Step 6: Final answer
    x = 319,765.20

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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.