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Finding the Fourth Proportional to 202,497.60, 303,503.40 and 139,317.60

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Solution

The fourth proportional to 202,497.60, 303,503.40 and 139,317.60 is: 208,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,497.60 : 303,503.40 = 139,317.60 : x
  2. Step 2: Convert to fraction form
    202,497.60/303,503.40 = 139,317.60/x
  3. Step 3: Cross multiply
    202,497.60x = 303,503.40 × 139,317.60
  4. Step 4: Simplify right side
    202,497.60x = 42,283,365,279.84
  5. Step 5: Solve for x
    x = 42,283,365,279.84/202,497.60
  6. Step 6: Final answer
    x = 208,809.22

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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.