Home / 353,749.60-529,846.80-213,263.20

Finding the Fourth Proportional to 353,749.60, 529,846.80 and 213,263.20

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Solution

The fourth proportional to 353,749.60, 529,846.80 and 213,263.20 is: 319,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,749.60 : 529,846.80 = 213,263.20 : x
  2. Step 2: Convert to fraction form
    353,749.60/529,846.80 = 213,263.20/x
  3. Step 3: Cross multiply
    353,749.60x = 529,846.80 × 213,263.20
  4. Step 4: Simplify right side
    353,749.60x = 112,996,824,077.76
  5. Step 5: Solve for x
    x = 112,996,824,077.76/353,749.60
  6. Step 6: Final answer
    x = 319,426.01

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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.