Home / 308,670.03-465,318.60-288,095.16

Finding the Fourth Proportional to 308,670.03, 465,318.60 and 288,095.16

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Solution

The fourth proportional to 308,670.03, 465,318.60 and 288,095.16 is: 434,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,670.03 : 465,318.60 = 288,095.16 : x
  2. Step 2: Convert to fraction form
    308,670.03/465,318.60 = 288,095.16/x
  3. Step 3: Cross multiply
    308,670.03x = 465,318.60 × 288,095.16
  4. Step 4: Simplify right side
    308,670.03x = 134,056,036,517.98
  5. Step 5: Solve for x
    x = 134,056,036,517.98/308,670.03
  6. Step 6: Final answer
    x = 434,302.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.