Finding the Fourth Proportional to 318,342.95, 439,304.10 and 175,102.99
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Solution
The fourth proportional to 318,342.95, 439,304.10 and 175,102.99 is: 241,637.08
Step by Step Solution
- Step 1: Write the proportion equation
318,342.95 : 439,304.10 = 175,102.99 : x - Step 2: Convert to fraction form
318,342.95/439,304.10 = 175,102.99/x - Step 3: Cross multiply
318,342.95x = 439,304.10 × 175,102.99 - Step 4: Simplify right side
318,342.95x = 76,923,461,429.26 - Step 5: Solve for x
x = 76,923,461,429.26/318,342.95 - Step 6: Final answer
x = 241,637.08
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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.