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Finding the Fourth Proportional to 471,088.04, 706,622.94 and 134,130.87

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Solution

The fourth proportional to 471,088.04, 706,622.94 and 134,130.87 is: 201,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,088.04 : 706,622.94 = 134,130.87 : x
  2. Step 2: Convert to fraction form
    471,088.04/706,622.94 = 134,130.87/x
  3. Step 3: Cross multiply
    471,088.04x = 706,622.94 × 134,130.87
  4. Step 4: Simplify right side
    471,088.04x = 94,779,949,704.16
  5. Step 5: Solve for x
    x = 94,779,949,704.16/471,088.04
  6. Step 6: Final answer
    x = 201,193.71

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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.