Finding the Fourth Proportional to 153,244.08, 211,474.80 and 86,176.08
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Solution
The fourth proportional to 153,244.08, 211,474.80 and 86,176.08 is: 118,921.85
Step by Step Solution
- Step 1: Write the proportion equation
153,244.08 : 211,474.80 = 86,176.08 : x - Step 2: Convert to fraction form
153,244.08/211,474.80 = 86,176.08/x - Step 3: Cross multiply
153,244.08x = 211,474.80 × 86,176.08 - Step 4: Simplify right side
153,244.08x = 18,224,069,282.78 - Step 5: Solve for x
x = 18,224,069,282.78/153,244.08 - Step 6: Final answer
x = 118,921.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.