Home / 260,748.36-359,647.02-239,307.21

Finding the Fourth Proportional to 260,748.36, 359,647.02 and 239,307.21

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Solution

The fourth proportional to 260,748.36, 359,647.02 and 239,307.21 is: 330,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,748.36 : 359,647.02 = 239,307.21 : x
  2. Step 2: Convert to fraction form
    260,748.36/359,647.02 = 239,307.21/x
  3. Step 3: Cross multiply
    260,748.36x = 359,647.02 × 239,307.21
  4. Step 4: Simplify right side
    260,748.36x = 86,066,124,941.01
  5. Step 5: Solve for x
    x = 86,066,124,941.01/260,748.36
  6. Step 6: Final answer
    x = 330,073.50

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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.