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Finding the Fourth Proportional to 602,158.51, 903,238.17 and 152,913.07

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Solution

The fourth proportional to 602,158.51, 903,238.17 and 152,913.07 is: 229,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,158.51 : 903,238.17 = 152,913.07 : x
  2. Step 2: Convert to fraction form
    602,158.51/903,238.17 = 152,913.07/x
  3. Step 3: Cross multiply
    602,158.51x = 903,238.17 × 152,913.07
  4. Step 4: Simplify right side
    602,158.51x = 138,116,921,515.88
  5. Step 5: Solve for x
    x = 138,116,921,515.88/602,158.51
  6. Step 6: Final answer
    x = 229,369.71

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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.