Finding the Fourth Proportional to 427,718.17, 590,227.63 and 243,929.75
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Solution
The fourth proportional to 427,718.17, 590,227.63 and 243,929.75 is: 336,609.68
Step by Step Solution
- Step 1: Write the proportion equation
427,718.17 : 590,227.63 = 243,929.75 : x - Step 2: Convert to fraction form
427,718.17/590,227.63 = 243,929.75/x - Step 3: Cross multiply
427,718.17x = 590,227.63 × 243,929.75 - Step 4: Simplify right side
427,718.17x = 143,974,078,228.99 - Step 5: Solve for x
x = 143,974,078,228.99/427,718.17 - Step 6: Final answer
x = 336,609.68
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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.