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Finding the Fourth Proportional to 637,509.42, 956,034.54 and 210,966.53

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Solution

The fourth proportional to 637,509.42, 956,034.54 and 210,966.53 is: 316,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,509.42 : 956,034.54 = 210,966.53 : x
  2. Step 2: Convert to fraction form
    637,509.42/956,034.54 = 210,966.53/x
  3. Step 3: Cross multiply
    637,509.42x = 956,034.54 × 210,966.53
  4. Step 4: Simplify right side
    637,509.42x = 201,691,284,683.77
  5. Step 5: Solve for x
    x = 201,691,284,683.77/637,509.42
  6. Step 6: Final answer
    x = 316,373.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.