Home / 210,788.48-290,939.40-176,742.56

Finding the Fourth Proportional to 210,788.48, 290,939.40 and 176,742.56

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Solution

The fourth proportional to 210,788.48, 290,939.40 and 176,742.56 is: 243,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,788.48 : 290,939.40 = 176,742.56 : x
  2. Step 2: Convert to fraction form
    210,788.48/290,939.40 = 176,742.56/x
  3. Step 3: Cross multiply
    210,788.48x = 290,939.40 × 176,742.56
  4. Step 4: Simplify right side
    210,788.48x = 51,421,374,360.86
  5. Step 5: Solve for x
    x = 51,421,374,360.86/210,788.48
  6. Step 6: Final answer
    x = 243,947.74

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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.