Home / 346,501.80-519,704.10-109,868.40

Finding the Fourth Proportional to 346,501.80, 519,704.10 and 109,868.40

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Solution

The fourth proportional to 346,501.80, 519,704.10 and 109,868.40 is: 164,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,501.80 : 519,704.10 = 109,868.40 : x
  2. Step 2: Convert to fraction form
    346,501.80/519,704.10 = 109,868.40/x
  3. Step 3: Cross multiply
    346,501.80x = 519,704.10 × 109,868.40
  4. Step 4: Simplify right side
    346,501.80x = 57,099,057,940.44
  5. Step 5: Solve for x
    x = 57,099,057,940.44/346,501.80
  6. Step 6: Final answer
    x = 164,787.19

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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.