Home / 346,438.60-519,560.70-109,853.80

Finding the Fourth Proportional to 346,438.60, 519,560.70 and 109,853.80

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Solution

The fourth proportional to 346,438.60, 519,560.70 and 109,853.80 is: 164,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,438.60 : 519,560.70 = 109,853.80 : x
  2. Step 2: Convert to fraction form
    346,438.60/519,560.70 = 109,853.80/x
  3. Step 3: Cross multiply
    346,438.60x = 519,560.70 × 109,853.80
  4. Step 4: Simplify right side
    346,438.60x = 57,075,717,225.66
  5. Step 5: Solve for x
    x = 57,075,717,225.66/346,438.60
  6. Step 6: Final answer
    x = 164,749.88

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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.