Finding the Fourth Proportional to 119,599.74, 179,443.35 and 40,721.94
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Solution
The fourth proportional to 119,599.74, 179,443.35 and 40,721.94 is: 61,097.80
Step by Step Solution
- Step 1: Write the proportion equation
119,599.74 : 179,443.35 = 40,721.94 : x - Step 2: Convert to fraction form
119,599.74/179,443.35 = 40,721.94/x - Step 3: Cross multiply
119,599.74x = 179,443.35 × 40,721.94 - Step 4: Simplify right side
119,599.74x = 7,307,281,332.10 - Step 5: Solve for x
x = 7,307,281,332.10/119,599.74 - Step 6: Final answer
x = 61,097.80
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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.