Finding the Fourth Proportional to 400,686.84, 552,962.74 and 228,632.82
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Solution
The fourth proportional to 400,686.84, 552,962.74 and 228,632.82 is: 315,521.79
Step by Step Solution
- Step 1: Write the proportion equation
400,686.84 : 552,962.74 = 228,632.82 : x - Step 2: Convert to fraction form
400,686.84/552,962.74 = 228,632.82/x - Step 3: Cross multiply
400,686.84x = 552,962.74 × 228,632.82 - Step 4: Simplify right side
400,686.84x = 126,425,430,601.13 - Step 5: Solve for x
x = 126,425,430,601.13/400,686.84 - Step 6: Final answer
x = 315,521.79
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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.