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Finding the Fourth Proportional to 362,670.12, 540,360 and 342,297.72

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Solution

The fourth proportional to 362,670.12, 540,360 and 342,297.72 is: 510,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,670.12 : 540,360 = 342,297.72 : x
  2. Step 2: Convert to fraction form
    362,670.12/540,360 = 342,297.72/x
  3. Step 3: Cross multiply
    362,670.12x = 540,360 × 342,297.72
  4. Step 4: Simplify right side
    362,670.12x = 184,963,995,979.20
  5. Step 5: Solve for x
    x = 184,963,995,979.20/362,670.12
  6. Step 6: Final answer
    x = 510,006.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.