Finding the Fourth Proportional to 357,354.51, 534,879.93 and 197,178.63
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Solution
The fourth proportional to 357,354.51, 534,879.93 and 197,178.63 is: 295,132.39
Step by Step Solution
- Step 1: Write the proportion equation
357,354.51 : 534,879.93 = 197,178.63 : x - Step 2: Convert to fraction form
357,354.51/534,879.93 = 197,178.63/x - Step 3: Cross multiply
357,354.51x = 534,879.93 × 197,178.63 - Step 4: Simplify right side
357,354.51x = 105,466,891,811.90 - Step 5: Solve for x
x = 105,466,891,811.90/357,354.51 - Step 6: Final answer
x = 295,132.39
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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.