Finding the Fourth Proportional to 318,603.23, 439,668.99 and 175,360.19
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Solution
The fourth proportional to 318,603.23, 439,668.99 and 175,360.19 is: 241,995.15
Step by Step Solution
- Step 1: Write the proportion equation
318,603.23 : 439,668.99 = 175,360.19 : x - Step 2: Convert to fraction form
318,603.23/439,668.99 = 175,360.19/x - Step 3: Cross multiply
318,603.23x = 439,668.99 × 175,360.19 - Step 4: Simplify right side
318,603.23x = 77,100,437,623.51 - Step 5: Solve for x
x = 77,100,437,623.51/318,603.23 - Step 6: Final answer
x = 241,995.15
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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.