Finding the Fourth Proportional to 372,277.80, 558,416.74 and 260,176.96
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Solution
The fourth proportional to 372,277.80, 558,416.74 and 260,176.96 is: 390,265.47
Step by Step Solution
- Step 1: Write the proportion equation
372,277.80 : 558,416.74 = 260,176.96 : x - Step 2: Convert to fraction form
372,277.80/558,416.74 = 260,176.96/x - Step 3: Cross multiply
372,277.80x = 558,416.74 × 260,176.96 - Step 4: Simplify right side
372,277.80x = 145,287,169,826.31 - Step 5: Solve for x
x = 145,287,169,826.31/372,277.80 - Step 6: Final answer
x = 390,265.47
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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.