Finding the Fourth Proportional to 106,809.30, 160,308.99 and 56,930.58
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Solution
The fourth proportional to 106,809.30, 160,308.99 and 56,930.58 is: 85,446.53
Step by Step Solution
- Step 1: Write the proportion equation
106,809.30 : 160,308.99 = 56,930.58 : x - Step 2: Convert to fraction form
106,809.30/160,308.99 = 56,930.58/x - Step 3: Cross multiply
106,809.30x = 160,308.99 × 56,930.58 - Step 4: Simplify right side
106,809.30x = 9,126,483,779.91 - Step 5: Solve for x
x = 9,126,483,779.91/106,809.30 - Step 6: Final answer
x = 85,446.53
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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.