Home / 260,005.06-358,802.60-145,285.56

Finding the Fourth Proportional to 260,005.06, 358,802.60 and 145,285.56

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Solution

The fourth proportional to 260,005.06, 358,802.60 and 145,285.56 is: 200,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,005.06 : 358,802.60 = 145,285.56 : x
  2. Step 2: Convert to fraction form
    260,005.06/358,802.60 = 145,285.56/x
  3. Step 3: Cross multiply
    260,005.06x = 358,802.60 × 145,285.56
  4. Step 4: Simplify right side
    260,005.06x = 52,128,836,670.46
  5. Step 5: Solve for x
    x = 52,128,836,670.46/260,005.06
  6. Step 6: Final answer
    x = 200,491.62

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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.