Home / 211,461.44-291,820.80-115,962.40

Finding the Fourth Proportional to 211,461.44, 291,820.80 and 115,962.40

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Solution

The fourth proportional to 211,461.44, 291,820.80 and 115,962.40 is: 160,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,461.44 : 291,820.80 = 115,962.40 : x
  2. Step 2: Convert to fraction form
    211,461.44/291,820.80 = 115,962.40/x
  3. Step 3: Cross multiply
    211,461.44x = 291,820.80 × 115,962.40
  4. Step 4: Simplify right side
    211,461.44x = 33,840,240,337.92
  5. Step 5: Solve for x
    x = 33,840,240,337.92/211,461.44
  6. Step 6: Final answer
    x = 160,030.31

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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.