Finding the Fourth Proportional to 506,104.93, 698,404.17 and 291,252.70
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Solution
The fourth proportional to 506,104.93, 698,404.17 and 291,252.70 is: 401,916.85
Step by Step Solution
- Step 1: Write the proportion equation
506,104.93 : 698,404.17 = 291,252.70 : x - Step 2: Convert to fraction form
506,104.93/698,404.17 = 291,252.70/x - Step 3: Cross multiply
506,104.93x = 698,404.17 × 291,252.70 - Step 4: Simplify right side
506,104.93x = 203,412,100,203.76 - Step 5: Solve for x
x = 203,412,100,203.76/506,104.93 - Step 6: Final answer
x = 401,916.85
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1.5x scale
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.