Finding the Fourth Proportional to 304,555.58, 420,281.60 and 168,586.62
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Solution
The fourth proportional to 304,555.58, 420,281.60 and 168,586.62 is: 232,646.71
Step by Step Solution
- Step 1: Write the proportion equation
304,555.58 : 420,281.60 = 168,586.62 : x - Step 2: Convert to fraction form
304,555.58/420,281.60 = 168,586.62/x - Step 3: Cross multiply
304,555.58x = 420,281.60 × 168,586.62 - Step 4: Simplify right side
304,555.58x = 70,853,851,973.20 - Step 5: Solve for x
x = 70,853,851,973.20/304,555.58 - Step 6: Final answer
x = 232,646.71
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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.