Finding the Fourth Proportional to 399,044.79, 598,230.09 and 185,702.63
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Solution
The fourth proportional to 399,044.79, 598,230.09 and 185,702.63 is: 278,397.06
Step by Step Solution
- Step 1: Write the proportion equation
399,044.79 : 598,230.09 = 185,702.63 : x - Step 2: Convert to fraction form
399,044.79/598,230.09 = 185,702.63/x - Step 3: Cross multiply
399,044.79x = 598,230.09 × 185,702.63 - Step 4: Simplify right side
399,044.79x = 111,092,898,066.99 - Step 5: Solve for x
x = 111,092,898,066.99/399,044.79 - Step 6: Final answer
x = 278,397.06
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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.