Finding the Fourth Proportional to 260,276.24, 390,379.80 and 73,302.32
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Solution
The fourth proportional to 260,276.24, 390,379.80 and 73,302.32 is: 109,943.75
Step by Step Solution
- Step 1: Write the proportion equation
260,276.24 : 390,379.80 = 73,302.32 : x - Step 2: Convert to fraction form
260,276.24/390,379.80 = 73,302.32/x - Step 3: Cross multiply
260,276.24x = 390,379.80 × 73,302.32 - Step 4: Simplify right side
260,276.24x = 28,615,745,021.14 - Step 5: Solve for x
x = 28,615,745,021.14/260,276.24 - Step 6: Final answer
x = 109,943.75
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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.