Finding the Fourth Proportional to 473,211.72, 653,107.15 and 300,950.08
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Solution
The fourth proportional to 473,211.72, 653,107.15 and 300,950.08 is: 415,358.80
Step by Step Solution
- Step 1: Write the proportion equation
473,211.72 : 653,107.15 = 300,950.08 : x - Step 2: Convert to fraction form
473,211.72/653,107.15 = 300,950.08/x - Step 3: Cross multiply
473,211.72x = 653,107.15 × 300,950.08 - Step 4: Simplify right side
473,211.72x = 196,552,651,458.22 - Step 5: Solve for x
x = 196,552,651,458.22/473,211.72 - Step 6: Final answer
x = 415,358.80
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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.