Home / 291,740.02-402,051.60-211,030.66

Finding the Fourth Proportional to 291,740.02, 402,051.60 and 211,030.66

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Solution

The fourth proportional to 291,740.02, 402,051.60 and 211,030.66 is: 290,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,740.02 : 402,051.60 = 211,030.66 : x
  2. Step 2: Convert to fraction form
    291,740.02/402,051.60 = 211,030.66/x
  3. Step 3: Cross multiply
    291,740.02x = 402,051.60 × 211,030.66
  4. Step 4: Simplify right side
    291,740.02x = 84,845,214,502.06
  5. Step 5: Solve for x
    x = 84,845,214,502.06/291,740.02
  6. Step 6: Final answer
    x = 290,824.74

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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.