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Finding the Fourth Proportional to 291,360.16, 402,083.90 and 162,307.32

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Solution

The fourth proportional to 291,360.16, 402,083.90 and 162,307.32 is: 223,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,360.16 : 402,083.90 = 162,307.32 : x
  2. Step 2: Convert to fraction form
    291,360.16/402,083.90 = 162,307.32/x
  3. Step 3: Cross multiply
    291,360.16x = 402,083.90 × 162,307.32
  4. Step 4: Simplify right side
    291,360.16x = 65,261,160,224.15
  5. Step 5: Solve for x
    x = 65,261,160,224.15/291,360.16
  6. Step 6: Final answer
    x = 223,987.93

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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.