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Finding the Fourth Proportional to 209,595.60, 289,235.88 and 118,959.93

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Solution

The fourth proportional to 209,595.60, 289,235.88 and 118,959.93 is: 164,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,595.60 : 289,235.88 = 118,959.93 : x
  2. Step 2: Convert to fraction form
    209,595.60/289,235.88 = 118,959.93/x
  3. Step 3: Cross multiply
    209,595.60x = 289,235.88 × 118,959.93
  4. Step 4: Simplify right side
    209,595.60x = 34,407,480,038.29
  5. Step 5: Solve for x
    x = 34,407,480,038.29/209,595.60
  6. Step 6: Final answer
    x = 164,161.27

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1.5x scale

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.