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Finding the Fourth Proportional to 145,401.60, 204,028.80 and 145,401.60

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Solution

The fourth proportional to 145,401.60, 204,028.80 and 145,401.60 is: 204,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,401.60 : 204,028.80 = 145,401.60 : x
  2. Step 2: Convert to fraction form
    145,401.60/204,028.80 = 145,401.60/x
  3. Step 3: Cross multiply
    145,401.60x = 204,028.80 × 145,401.60
  4. Step 4: Simplify right side
    145,401.60x = 29,666,113,966.08
  5. Step 5: Solve for x
    x = 29,666,113,966.08/145,401.60
  6. Step 6: Final answer
    x = 204,028.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.