Home / 346,215.80-519,615.30-136,004.60

Finding the Fourth Proportional to 346,215.80, 519,615.30 and 136,004.60

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Solution

The fourth proportional to 346,215.80, 519,615.30 and 136,004.60 is: 204,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,215.80 : 519,615.30 = 136,004.60 : x
  2. Step 2: Convert to fraction form
    346,215.80/519,615.30 = 136,004.60/x
  3. Step 3: Cross multiply
    346,215.80x = 519,615.30 × 136,004.60
  4. Step 4: Simplify right side
    346,215.80x = 70,670,071,030.38
  5. Step 5: Solve for x
    x = 70,670,071,030.38/346,215.80
  6. Step 6: Final answer
    x = 204,121.45

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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.