Home / 346,476.80-519,666.60-109,843.40

Finding the Fourth Proportional to 346,476.80, 519,666.60 and 109,843.40

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Solution

The fourth proportional to 346,476.80, 519,666.60 and 109,843.40 is: 164,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,476.80 : 519,666.60 = 109,843.40 : x
  2. Step 2: Convert to fraction form
    346,476.80/519,666.60 = 109,843.40/x
  3. Step 3: Cross multiply
    346,476.80x = 519,666.60 × 109,843.40
  4. Step 4: Simplify right side
    346,476.80x = 57,081,946,210.44
  5. Step 5: Solve for x
    x = 57,081,946,210.44/346,476.80
  6. Step 6: Final answer
    x = 164,749.69

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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.