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Finding the Fourth Proportional to 357,984.82, 537,125.93 and 144,903.36

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Solution

The fourth proportional to 357,984.82, 537,125.93 and 144,903.36 is: 217,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,984.82 : 537,125.93 = 144,903.36 : x
  2. Step 2: Convert to fraction form
    357,984.82/537,125.93 = 144,903.36/x
  3. Step 3: Cross multiply
    357,984.82x = 537,125.93 × 144,903.36
  4. Step 4: Simplify right side
    357,984.82x = 77,831,353,833.22
  5. Step 5: Solve for x
    x = 77,831,353,833.22/357,984.82
  6. Step 6: Final answer
    x = 217,415.23

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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.