Home / 346,624.90-519,955.80-109,986.10

Finding the Fourth Proportional to 346,624.90, 519,955.80 and 109,986.10

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Solution

The fourth proportional to 346,624.90, 519,955.80 and 109,986.10 is: 164,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,624.90 : 519,955.80 = 109,986.10 : x
  2. Step 2: Convert to fraction form
    346,624.90/519,955.80 = 109,986.10/x
  3. Step 3: Cross multiply
    346,624.90x = 519,955.80 × 109,986.10
  4. Step 4: Simplify right side
    346,624.90x = 57,187,910,614.38
  5. Step 5: Solve for x
    x = 57,187,910,614.38/346,624.90
  6. Step 6: Final answer
    x = 164,985.00

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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.