Home / 210,415.32-315,622.44-173,330.28

Finding the Fourth Proportional to 210,415.32, 315,622.44 and 173,330.28

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Solution

The fourth proportional to 210,415.32, 315,622.44 and 173,330.28 is: 259,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,415.32 : 315,622.44 = 173,330.28 : x
  2. Step 2: Convert to fraction form
    210,415.32/315,622.44 = 173,330.28/x
  3. Step 3: Cross multiply
    210,415.32x = 315,622.44 × 173,330.28
  4. Step 4: Simplify right side
    210,415.32x = 54,706,925,899.48
  5. Step 5: Solve for x
    x = 54,706,925,899.48/210,415.32
  6. Step 6: Final answer
    x = 259,994.98

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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.