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Finding the Fourth Proportional to 480,126.96, 662,518.73 and 265,254.21

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Solution

The fourth proportional to 480,126.96, 662,518.73 and 265,254.21 is: 366,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,126.96 : 662,518.73 = 265,254.21 : x
  2. Step 2: Convert to fraction form
    480,126.96/662,518.73 = 265,254.21/x
  3. Step 3: Cross multiply
    480,126.96x = 662,518.73 × 265,254.21
  4. Step 4: Simplify right side
    480,126.96x = 175,735,878,360.62
  5. Step 5: Solve for x
    x = 175,735,878,360.62/480,126.96
  6. Step 6: Final answer
    x = 366,019.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.