Finding the Fourth Proportional to 350,631.40, 526,292.70 and 173,338.60
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Solution
The fourth proportional to 350,631.40, 526,292.70 and 173,338.60 is: 260,178.75
Step by Step Solution
- Step 1: Write the proportion equation
350,631.40 : 526,292.70 = 173,338.60 : x - Step 2: Convert to fraction form
350,631.40/526,292.70 = 173,338.60/x - Step 3: Cross multiply
350,631.40x = 526,292.70 × 173,338.60 - Step 4: Simplify right side
350,631.40x = 91,226,839,808.22 - Step 5: Solve for x
x = 91,226,839,808.22/350,631.40 - Step 6: Final answer
x = 260,178.75
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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.