Home / 369,284.81-554,099.40-144,586.89

Finding the Fourth Proportional to 369,284.81, 554,099.40 and 144,586.89

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Solution

The fourth proportional to 369,284.81, 554,099.40 and 144,586.89 is: 216,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,284.81 : 554,099.40 = 144,586.89 : x
  2. Step 2: Convert to fraction form
    369,284.81/554,099.40 = 144,586.89/x
  3. Step 3: Cross multiply
    369,284.81x = 554,099.40 × 144,586.89
  4. Step 4: Simplify right side
    369,284.81x = 80,115,508,996.87
  5. Step 5: Solve for x
    x = 80,115,508,996.87/369,284.81
  6. Step 6: Final answer
    x = 216,947.75

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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.