Finding the Fourth Proportional to 541,048.20, 811,572.30 and 260,497.80
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Solution
The fourth proportional to 541,048.20, 811,572.30 and 260,497.80 is: 390,746.70
Step by Step Solution
- Step 1: Write the proportion equation
541,048.20 : 811,572.30 = 260,497.80 : x - Step 2: Convert to fraction form
541,048.20/811,572.30 = 260,497.80/x - Step 3: Cross multiply
541,048.20x = 811,572.30 × 260,497.80 - Step 4: Simplify right side
541,048.20x = 211,412,798,690.94 - Step 5: Solve for x
x = 211,412,798,690.94/541,048.20 - Step 6: Final answer
x = 390,746.70
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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.