Finding the Fourth Proportional to 589,663.80, 884,495.70 and 146,431.80
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Solution
The fourth proportional to 589,663.80, 884,495.70 and 146,431.80 is: 219,647.70
Step by Step Solution
- Step 1: Write the proportion equation
589,663.80 : 884,495.70 = 146,431.80 : x - Step 2: Convert to fraction form
589,663.80/884,495.70 = 146,431.80/x - Step 3: Cross multiply
589,663.80x = 884,495.70 × 146,431.80 - Step 4: Simplify right side
589,663.80x = 129,518,297,443.26 - Step 5: Solve for x
x = 129,518,297,443.26/589,663.80 - Step 6: Final answer
x = 219,647.70
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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.