Home / 219,409.48-302,785.32-118,807.24

Finding the Fourth Proportional to 219,409.48, 302,785.32 and 118,807.24

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Solution

The fourth proportional to 219,409.48, 302,785.32 and 118,807.24 is: 163,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,409.48 : 302,785.32 = 118,807.24 : x
  2. Step 2: Convert to fraction form
    219,409.48/302,785.32 = 118,807.24/x
  3. Step 3: Cross multiply
    219,409.48x = 302,785.32 × 118,807.24
  4. Step 4: Simplify right side
    219,409.48x = 35,973,088,181.72
  5. Step 5: Solve for x
    x = 35,973,088,181.72/219,409.48
  6. Step 6: Final answer
    x = 163,954.12

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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.