Home / 209,052.81-288,486.27-118,417.16

Finding the Fourth Proportional to 209,052.81, 288,486.27 and 118,417.16

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Solution

The fourth proportional to 209,052.81, 288,486.27 and 118,417.16 is: 163,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,052.81 : 288,486.27 = 118,417.16 : x
  2. Step 2: Convert to fraction form
    209,052.81/288,486.27 = 118,417.16/x
  3. Step 3: Cross multiply
    209,052.81x = 288,486.27 × 118,417.16
  4. Step 4: Simplify right side
    209,052.81x = 34,161,723,349.96
  5. Step 5: Solve for x
    x = 34,161,723,349.96/209,052.81
  6. Step 6: Final answer
    x = 163,411.93

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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.