Finding the Fourth Proportional to 528,806.47, 792,911.62 and 173,725.15
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Solution
The fourth proportional to 528,806.47, 792,911.62 and 173,725.15 is: 260,489.80
Step by Step Solution
- Step 1: Write the proportion equation
528,806.47 : 792,911.62 = 173,725.15 : x - Step 2: Convert to fraction form
528,806.47/792,911.62 = 173,725.15/x - Step 3: Cross multiply
528,806.47x = 792,911.62 × 173,725.15 - Step 4: Simplify right side
528,806.47x = 137,748,690,121.24 - Step 5: Solve for x
x = 137,748,690,121.24/528,806.47 - Step 6: Final answer
x = 260,489.80
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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.