Finding the Fourth Proportional to 529,108.44, 730,174.98 and 287,395.74
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Solution
The fourth proportional to 529,108.44, 730,174.98 and 287,395.74 is: 396,609.02
Step by Step Solution
- Step 1: Write the proportion equation
529,108.44 : 730,174.98 = 287,395.74 : x - Step 2: Convert to fraction form
529,108.44/730,174.98 = 287,395.74/x - Step 3: Cross multiply
529,108.44x = 730,174.98 × 287,395.74 - Step 4: Simplify right side
529,108.44x = 209,849,178,706.59 - Step 5: Solve for x
x = 209,849,178,706.59/529,108.44 - Step 6: Final answer
x = 396,609.02
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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.