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Finding the Fourth Proportional to 602,157.51, 903,236.67 and 152,912.07

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Solution

The fourth proportional to 602,157.51, 903,236.67 and 152,912.07 is: 229,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,157.51 : 903,236.67 = 152,912.07 : x
  2. Step 2: Convert to fraction form
    602,157.51/903,236.67 = 152,912.07/x
  3. Step 3: Cross multiply
    602,157.51x = 903,236.67 × 152,912.07
  4. Step 4: Simplify right side
    602,157.51x = 138,115,788,909.61
  5. Step 5: Solve for x
    x = 138,115,788,909.61/602,157.51
  6. Step 6: Final answer
    x = 229,368.21

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1.5x scale

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.