Finding the Fourth Proportional to 152,779.40, 229,226.70 and 73,963.40
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Solution
The fourth proportional to 152,779.40, 229,226.70 and 73,963.40 is: 110,972.99
Step by Step Solution
- Step 1: Write the proportion equation
152,779.40 : 229,226.70 = 73,963.40 : x - Step 2: Convert to fraction form
152,779.40/229,226.70 = 73,963.40/x - Step 3: Cross multiply
152,779.40x = 229,226.70 × 73,963.40 - Step 4: Simplify right side
152,779.40x = 16,954,386,102.78 - Step 5: Solve for x
x = 16,954,386,102.78/152,779.40 - Step 6: Final answer
x = 110,972.99
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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.