Home / 211,269.40-316,901.04-51,346.51

Finding the Fourth Proportional to 211,269.40, 316,901.04 and 51,346.51

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Solution

The fourth proportional to 211,269.40, 316,901.04 and 51,346.51 is: 77,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,269.40 : 316,901.04 = 51,346.51 : x
  2. Step 2: Convert to fraction form
    211,269.40/316,901.04 = 51,346.51/x
  3. Step 3: Cross multiply
    211,269.40x = 316,901.04 × 51,346.51
  4. Step 4: Simplify right side
    211,269.40x = 16,271,762,419.37
  5. Step 5: Solve for x
    x = 16,271,762,419.37/211,269.40
  6. Step 6: Final answer
    x = 77,019.02

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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.