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Finding the Fourth Proportional to 216,123.40, 297,893.40 and 144,477.28

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Solution

The fourth proportional to 216,123.40, 297,893.40 and 144,477.28 is: 199,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,123.40 : 297,893.40 = 144,477.28 : x
  2. Step 2: Convert to fraction form
    216,123.40/297,893.40 = 144,477.28/x
  3. Step 3: Cross multiply
    216,123.40x = 297,893.40 × 144,477.28
  4. Step 4: Simplify right side
    216,123.40x = 43,038,828,161.95
  5. Step 5: Solve for x
    x = 43,038,828,161.95/216,123.40
  6. Step 6: Final answer
    x = 199,140.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.