Home / 369,670.64-510,145.52-199,904.80

Finding the Fourth Proportional to 369,670.64, 510,145.52 and 199,904.80

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Solution

The fourth proportional to 369,670.64, 510,145.52 and 199,904.80 is: 275,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,670.64 : 510,145.52 = 199,904.80 : x
  2. Step 2: Convert to fraction form
    369,670.64/510,145.52 = 199,904.80/x
  3. Step 3: Cross multiply
    369,670.64x = 510,145.52 × 199,904.80
  4. Step 4: Simplify right side
    369,670.64x = 101,980,538,146.50
  5. Step 5: Solve for x
    x = 101,980,538,146.50/369,670.64
  6. Step 6: Final answer
    x = 275,868.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.