Finding the Fourth Proportional to 168,853.12, 253,292.97 and 56,533.80
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Solution
The fourth proportional to 168,853.12, 253,292.97 and 56,533.80 is: 84,805.16
Step by Step Solution
- Step 1: Write the proportion equation
168,853.12 : 253,292.97 = 56,533.80 : x - Step 2: Convert to fraction form
168,853.12/253,292.97 = 56,533.80/x - Step 3: Cross multiply
168,853.12x = 253,292.97 × 56,533.80 - Step 4: Simplify right side
168,853.12x = 14,319,615,269.24 - Step 5: Solve for x
x = 14,319,615,269.24/168,853.12 - Step 6: Final answer
x = 84,805.16
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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.