Finding the Fourth Proportional to 344,457.36, 475,431.12 and 217,306.80
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Solution
The fourth proportional to 344,457.36, 475,431.12 and 217,306.80 is: 299,933.83
Step by Step Solution
- Step 1: Write the proportion equation
344,457.36 : 475,431.12 = 217,306.80 : x - Step 2: Convert to fraction form
344,457.36/475,431.12 = 217,306.80/x - Step 3: Cross multiply
344,457.36x = 475,431.12 × 217,306.80 - Step 4: Simplify right side
344,457.36x = 103,314,415,307.62 - Step 5: Solve for x
x = 103,314,415,307.62/344,457.36 - Step 6: Final answer
x = 299,933.83
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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.