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Finding the Fourth Proportional to 219,317.02, 302,658.48 and 118,715.02

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Solution

The fourth proportional to 219,317.02, 302,658.48 and 118,715.02 is: 163,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,317.02 : 302,658.48 = 118,715.02 : x
  2. Step 2: Convert to fraction form
    219,317.02/302,658.48 = 118,715.02/x
  3. Step 3: Cross multiply
    219,317.02x = 302,658.48 × 118,715.02
  4. Step 4: Simplify right side
    219,317.02x = 35,930,107,506.37
  5. Step 5: Solve for x
    x = 35,930,107,506.37/219,317.02
  6. Step 6: Final answer
    x = 163,827.26

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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.