Finding the Fourth Proportional to 528,403.68, 792,562.80 and 149,309.12
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Solution
The fourth proportional to 528,403.68, 792,562.80 and 149,309.12 is: 223,951.61
Step by Step Solution
- Step 1: Write the proportion equation
528,403.68 : 792,562.80 = 149,309.12 : x - Step 2: Convert to fraction form
528,403.68/792,562.80 = 149,309.12/x - Step 3: Cross multiply
528,403.68x = 792,562.80 × 149,309.12 - Step 4: Simplify right side
528,403.68x = 118,336,854,212.74 - Step 5: Solve for x
x = 118,336,854,212.74/528,403.68 - Step 6: Final answer
x = 223,951.61
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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.