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Finding the Fourth Proportional to 437,343.42, 603,552.30 and 243,751.22

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Solution

The fourth proportional to 437,343.42, 603,552.30 and 243,751.22 is: 336,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,343.42 : 603,552.30 = 243,751.22 : x
  2. Step 2: Convert to fraction form
    437,343.42/603,552.30 = 243,751.22/x
  3. Step 3: Cross multiply
    437,343.42x = 603,552.30 × 243,751.22
  4. Step 4: Simplify right side
    437,343.42x = 147,116,609,458.81
  5. Step 5: Solve for x
    x = 147,116,609,458.81/437,343.42
  6. Step 6: Final answer
    x = 336,386.93

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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.