Finding the Fourth Proportional to 387,823.26, 581,319.81 and 187,869.18
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Solution
The fourth proportional to 387,823.26, 581,319.81 and 187,869.18 is: 281,602.70
Step by Step Solution
- Step 1: Write the proportion equation
387,823.26 : 581,319.81 = 187,869.18 : x - Step 2: Convert to fraction form
387,823.26/581,319.81 = 187,869.18/x - Step 3: Cross multiply
387,823.26x = 581,319.81 × 187,869.18 - Step 4: Simplify right side
387,823.26x = 109,212,076,022.46 - Step 5: Solve for x
x = 109,212,076,022.46/387,823.26 - Step 6: Final answer
x = 281,602.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.