Home / 696,138.32-1,044,208.40-190,703.80

Finding the Fourth Proportional to 696,138.32, 1,044,208.40 and 190,703.80

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Solution

The fourth proportional to 696,138.32, 1,044,208.40 and 190,703.80 is: 286,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,138.32 : 1,044,208.40 = 190,703.80 : x
  2. Step 2: Convert to fraction form
    696,138.32/1,044,208.40 = 190,703.80/x
  3. Step 3: Cross multiply
    696,138.32x = 1,044,208.40 × 190,703.80
  4. Step 4: Simplify right side
    696,138.32x = 199,134,509,871.92
  5. Step 5: Solve for x
    x = 199,134,509,871.92/696,138.32
  6. Step 6: Final answer
    x = 286,055.95

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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.