Finding the Fourth Proportional to 417,957.84, 576,817.74 and 236,701.71
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Solution
The fourth proportional to 417,957.84, 576,817.74 and 236,701.71 is: 326,668.70
Step by Step Solution
- Step 1: Write the proportion equation
417,957.84 : 576,817.74 = 236,701.71 : x - Step 2: Convert to fraction form
417,957.84/576,817.74 = 236,701.71/x - Step 3: Cross multiply
417,957.84x = 576,817.74 × 236,701.71 - Step 4: Simplify right side
417,957.84x = 136,533,745,416.34 - Step 5: Solve for x
x = 136,533,745,416.34/417,957.84 - Step 6: Final answer
x = 326,668.70
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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.