Finding the Fourth Proportional to 659,329.88, 909,875.23 and 357,523.88
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Solution
The fourth proportional to 659,329.88, 909,875.23 and 357,523.88 is: 493,382.95
Step by Step Solution
- Step 1: Write the proportion equation
659,329.88 : 909,875.23 = 357,523.88 : x - Step 2: Convert to fraction form
659,329.88/909,875.23 = 357,523.88/x - Step 3: Cross multiply
659,329.88x = 909,875.23 × 357,523.88 - Step 4: Simplify right side
659,329.88x = 325,302,117,102.31 - Step 5: Solve for x
x = 325,302,117,102.31/659,329.88 - Step 6: Final answer
x = 493,382.95
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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.