Finding the Fourth Proportional to 318,341.95, 439,302.72 and 175,101.99
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Solution
The fourth proportional to 318,341.95, 439,302.72 and 175,101.99 is: 241,635.70
Step by Step Solution
- Step 1: Write the proportion equation
318,341.95 : 439,302.72 = 175,101.99 : x - Step 2: Convert to fraction form
318,341.95/439,302.72 = 175,101.99/x - Step 3: Cross multiply
318,341.95x = 439,302.72 × 175,101.99 - Step 4: Simplify right side
318,341.95x = 76,922,779,493.66 - Step 5: Solve for x
x = 76,922,779,493.66/318,341.95 - Step 6: Final answer
x = 241,635.70
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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.