Finding the Fourth Proportional to 356,363.08, 491,781.63 and 195,214.59
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Solution
The fourth proportional to 356,363.08, 491,781.63 and 195,214.59 is: 269,396.45
Step by Step Solution
- Step 1: Write the proportion equation
356,363.08 : 491,781.63 = 195,214.59 : x - Step 2: Convert to fraction form
356,363.08/491,781.63 = 195,214.59/x - Step 3: Cross multiply
356,363.08x = 491,781.63 × 195,214.59 - Step 4: Simplify right side
356,363.08x = 96,002,949,269.98 - Step 5: Solve for x
x = 96,002,949,269.98/356,363.08 - Step 6: Final answer
x = 269,396.45
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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.