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Finding the Fourth Proportional to 260,001.80, 390,075.60 and 110,313.80

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Solution

The fourth proportional to 260,001.80, 390,075.60 and 110,313.80 is: 165,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,001.80 : 390,075.60 = 110,313.80 : x
  2. Step 2: Convert to fraction form
    260,001.80/390,075.60 = 110,313.80/x
  3. Step 3: Cross multiply
    260,001.80x = 390,075.60 × 110,313.80
  4. Step 4: Simplify right side
    260,001.80x = 43,030,721,723.28
  5. Step 5: Solve for x
    x = 43,030,721,723.28/260,001.80
  6. Step 6: Final answer
    x = 165,501.63

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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.