Home / 260,322.60-390,192.30-110,537.40

Finding the Fourth Proportional to 260,322.60, 390,192.30 and 110,537.40

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Solution

The fourth proportional to 260,322.60, 390,192.30 and 110,537.40 is: 165,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,322.60 : 390,192.30 = 110,537.40 : x
  2. Step 2: Convert to fraction form
    260,322.60/390,192.30 = 110,537.40/x
  3. Step 3: Cross multiply
    260,322.60x = 390,192.30 × 110,537.40
  4. Step 4: Simplify right side
    260,322.60x = 43,130,842,342.02
  5. Step 5: Solve for x
    x = 43,130,842,342.02/260,322.60
  6. Step 6: Final answer
    x = 165,682.28

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1.5x scale

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.