Finding the Fourth Proportional to 497,259.95, 686,219.63 and 282,399.98
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Solution
The fourth proportional to 497,259.95, 686,219.63 and 282,399.98 is: 389,712.48
Step by Step Solution
- Step 1: Write the proportion equation
497,259.95 : 686,219.63 = 282,399.98 : x - Step 2: Convert to fraction form
497,259.95/686,219.63 = 282,399.98/x - Step 3: Cross multiply
497,259.95x = 686,219.63 × 282,399.98 - Step 4: Simplify right side
497,259.95x = 193,788,404,944.51 - Step 5: Solve for x
x = 193,788,404,944.51/497,259.95 - Step 6: Final answer
x = 389,712.48
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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.