Home / 459,848.07-689,801.27-144,317.43

Finding the Fourth Proportional to 459,848.07, 689,801.27 and 144,317.43

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Solution

The fourth proportional to 459,848.07, 689,801.27 and 144,317.43 is: 216,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,848.07 : 689,801.27 = 144,317.43 : x
  2. Step 2: Convert to fraction form
    459,848.07/689,801.27 = 144,317.43/x
  3. Step 3: Cross multiply
    459,848.07x = 689,801.27 × 144,317.43
  4. Step 4: Simplify right side
    459,848.07x = 99,550,345,775.55
  5. Step 5: Solve for x
    x = 99,550,345,775.55/459,848.07
  6. Step 6: Final answer
    x = 216,485.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.