Home / 209,927.40-289,689.18-119,271.48

Finding the Fourth Proportional to 209,927.40, 289,689.18 and 119,271.48

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Solution

The fourth proportional to 209,927.40, 289,689.18 and 119,271.48 is: 164,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,927.40 : 289,689.18 = 119,271.48 : x
  2. Step 2: Convert to fraction form
    209,927.40/289,689.18 = 119,271.48/x
  3. Step 3: Cross multiply
    209,927.40x = 289,689.18 × 119,271.48
  4. Step 4: Simplify right side
    209,927.40x = 34,551,657,238.59
  5. Step 5: Solve for x
    x = 34,551,657,238.59/209,927.40
  6. Step 6: Final answer
    x = 164,588.60

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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.