Finding the Fourth Proportional to 528,347.07, 791,910.27 and 243,441.99
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Solution
The fourth proportional to 528,347.07, 791,910.27 and 243,441.99 is: 364,881.77
Step by Step Solution
- Step 1: Write the proportion equation
528,347.07 : 791,910.27 = 243,441.99 : x - Step 2: Convert to fraction form
528,347.07/791,910.27 = 243,441.99/x - Step 3: Cross multiply
528,347.07x = 791,910.27 × 243,441.99 - Step 4: Simplify right side
528,347.07x = 192,784,212,030.24 - Step 5: Solve for x
x = 192,784,212,030.24/528,347.07 - Step 6: Final answer
x = 364,881.77
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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.