Finding the Fourth Proportional to 395,655.57, 546,000.35 and 214,356.68
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Solution
The fourth proportional to 395,655.57, 546,000.35 and 214,356.68 is: 295,809.86
Step by Step Solution
- Step 1: Write the proportion equation
395,655.57 : 546,000.35 = 214,356.68 : x - Step 2: Convert to fraction form
395,655.57/546,000.35 = 214,356.68/x - Step 3: Cross multiply
395,655.57x = 546,000.35 × 214,356.68 - Step 4: Simplify right side
395,655.57x = 117,038,820,550.55 - Step 5: Solve for x
x = 117,038,820,550.55/395,655.57 - Step 6: Final answer
x = 295,809.86
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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.