Finding the Fourth Proportional to 523,189.17, 722,220.44 and 353,652.93
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Solution
The fourth proportional to 523,189.17, 722,220.44 and 353,652.93 is: 488,189.33
Step by Step Solution
- Step 1: Write the proportion equation
523,189.17 : 722,220.44 = 353,652.93 : x - Step 2: Convert to fraction form
523,189.17/722,220.44 = 353,652.93/x - Step 3: Cross multiply
523,189.17x = 722,220.44 × 353,652.93 - Step 4: Simplify right side
523,189.17x = 255,415,372,943.63 - Step 5: Solve for x
x = 255,415,372,943.63/523,189.17 - Step 6: Final answer
x = 488,189.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.