Finding the Fourth Proportional to 101,515.06, 152,271.74 and 79,347.08
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Solution
The fourth proportional to 101,515.06, 152,271.74 and 79,347.08 is: 119,019.96
Step by Step Solution
- Step 1: Write the proportion equation
101,515.06 : 152,271.74 = 79,347.08 : x - Step 2: Convert to fraction form
101,515.06/152,271.74 = 79,347.08/x - Step 3: Cross multiply
101,515.06x = 152,271.74 × 79,347.08 - Step 4: Simplify right side
101,515.06x = 12,082,317,935.52 - Step 5: Solve for x
x = 12,082,317,935.52/101,515.06 - Step 6: Final answer
x = 119,019.96
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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.