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Finding the Fourth Proportional to 358,401.60, 537,602.40 and 265,089.60

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Solution

The fourth proportional to 358,401.60, 537,602.40 and 265,089.60 is: 397,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,401.60 : 537,602.40 = 265,089.60 : x
  2. Step 2: Convert to fraction form
    358,401.60/537,602.40 = 265,089.60/x
  3. Step 3: Cross multiply
    358,401.60x = 537,602.40 × 265,089.60
  4. Step 4: Simplify right side
    358,401.60x = 142,512,805,175.04
  5. Step 5: Solve for x
    x = 142,512,805,175.04/358,401.60
  6. Step 6: Final answer
    x = 397,634.40

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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.