Finding the Fourth Proportional to 391,036.05, 586,554.08 and 166,321.80
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Solution
The fourth proportional to 391,036.05, 586,554.08 and 166,321.80 is: 249,482.70
Step by Step Solution
- Step 1: Write the proportion equation
391,036.05 : 586,554.08 = 166,321.80 : x - Step 2: Convert to fraction form
391,036.05/586,554.08 = 166,321.80/x - Step 3: Cross multiply
391,036.05x = 586,554.08 × 166,321.80 - Step 4: Simplify right side
391,036.05x = 97,556,729,551.34 - Step 5: Solve for x
x = 97,556,729,551.34/391,036.05 - Step 6: Final answer
x = 249,482.70
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1.5x scale
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.