Home / 208,269.51-312,416.37-58,521.47

Finding the Fourth Proportional to 208,269.51, 312,416.37 and 58,521.47

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Solution

The fourth proportional to 208,269.51, 312,416.37 and 58,521.47 is: 87,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,269.51 : 312,416.37 = 58,521.47 : x
  2. Step 2: Convert to fraction form
    208,269.51/312,416.37 = 58,521.47/x
  3. Step 3: Cross multiply
    208,269.51x = 312,416.37 × 58,521.47
  4. Step 4: Simplify right side
    208,269.51x = 18,283,063,369.77
  5. Step 5: Solve for x
    x = 18,283,063,369.77/208,269.51
  6. Step 6: Final answer
    x = 87,785.60

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1.5x scale

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.