Finding the Fourth Proportional to 353,033.08, 529,239.18 and 139,950.68
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Solution
The fourth proportional to 353,033.08, 529,239.18 and 139,950.68 is: 209,802.95
Step by Step Solution
- Step 1: Write the proportion equation
353,033.08 : 529,239.18 = 139,950.68 : x - Step 2: Convert to fraction form
353,033.08/529,239.18 = 139,950.68/x - Step 3: Cross multiply
353,033.08x = 529,239.18 × 139,950.68 - Step 4: Simplify right side
353,033.08x = 74,067,380,827.32 - Step 5: Solve for x
x = 74,067,380,827.32/353,033.08 - Step 6: Final answer
x = 209,802.95
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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.