Finding the Fourth Proportional to 339,578.88, 509,193.28 and 152,430.08
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Solution
The fourth proportional to 339,578.88, 509,193.28 and 152,430.08 is: 228,566.55
Step by Step Solution
- Step 1: Write the proportion equation
339,578.88 : 509,193.28 = 152,430.08 : x - Step 2: Convert to fraction form
339,578.88/509,193.28 = 152,430.08/x - Step 3: Cross multiply
339,578.88x = 509,193.28 × 152,430.08 - Step 4: Simplify right side
339,578.88x = 77,616,372,405.86 - Step 5: Solve for x
x = 77,616,372,405.86/339,578.88 - Step 6: Final answer
x = 228,566.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.