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Finding the Fourth Proportional to 240,428.40, 360,205.20 and 195,813.60

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Solution

The fourth proportional to 240,428.40, 360,205.20 and 195,813.60 is: 293,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,428.40 : 360,205.20 = 195,813.60 : x
  2. Step 2: Convert to fraction form
    240,428.40/360,205.20 = 195,813.60/x
  3. Step 3: Cross multiply
    240,428.40x = 360,205.20 × 195,813.60
  4. Step 4: Simplify right side
    240,428.40x = 70,533,076,950.72
  5. Step 5: Solve for x
    x = 70,533,076,950.72/240,428.40
  6. Step 6: Final answer
    x = 293,364.17

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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.