Finding the Fourth Proportional to 368,187.40, 552,281.10 and 328,529.80
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Solution
The fourth proportional to 368,187.40, 552,281.10 and 328,529.80 is: 492,794.70
Step by Step Solution
- Step 1: Write the proportion equation
368,187.40 : 552,281.10 = 328,529.80 : x - Step 2: Convert to fraction form
368,187.40/552,281.10 = 328,529.80/x - Step 3: Cross multiply
368,187.40x = 552,281.10 × 328,529.80 - Step 4: Simplify right side
368,187.40x = 181,440,799,326.78 - Step 5: Solve for x
x = 181,440,799,326.78/368,187.40 - Step 6: Final answer
x = 492,794.70
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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.