Finding the Fourth Proportional to 406,706.18, 610,056.19 and 122,395.50
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Solution
The fourth proportional to 406,706.18, 610,056.19 and 122,395.50 is: 183,592.32
Step by Step Solution
- Step 1: Write the proportion equation
406,706.18 : 610,056.19 = 122,395.50 : x - Step 2: Convert to fraction form
406,706.18/610,056.19 = 122,395.50/x - Step 3: Cross multiply
406,706.18x = 610,056.19 × 122,395.50 - Step 4: Simplify right side
406,706.18x = 74,668,132,403.15 - Step 5: Solve for x
x = 74,668,132,403.15/406,706.18 - Step 6: Final answer
x = 183,592.32
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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.