Finding the Fourth Proportional to 528,188.71, 792,269.16 and 149,135.68
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Solution
The fourth proportional to 528,188.71, 792,269.16 and 149,135.68 is: 223,699.59
Step by Step Solution
- Step 1: Write the proportion equation
528,188.71 : 792,269.16 = 149,135.68 : x - Step 2: Convert to fraction form
528,188.71/792,269.16 = 149,135.68/x - Step 3: Cross multiply
528,188.71x = 792,269.16 × 149,135.68 - Step 4: Simplify right side
528,188.71x = 118,155,599,919.63 - Step 5: Solve for x
x = 118,155,599,919.63/528,188.71 - Step 6: Final answer
x = 223,699.59
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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.