Finding the Fourth Proportional to 257,926.80, 355,353.49 and 199,582.94
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Solution
The fourth proportional to 257,926.80, 355,353.49 and 199,582.94 is: 274,971.39
Step by Step Solution
- Step 1: Write the proportion equation
257,926.80 : 355,353.49 = 199,582.94 : x - Step 2: Convert to fraction form
257,926.80/355,353.49 = 199,582.94/x - Step 3: Cross multiply
257,926.80x = 355,353.49 × 199,582.94 - Step 4: Simplify right side
257,926.80x = 70,922,492,430.14 - Step 5: Solve for x
x = 70,922,492,430.14/257,926.80 - Step 6: Final answer
x = 274,971.39
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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.