Finding the Fourth Proportional to 216,924.95, 299,392.26 and 148,886.03
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Solution
The fourth proportional to 216,924.95, 299,392.26 and 148,886.03 is: 205,487.31
Step by Step Solution
- Step 1: Write the proportion equation
216,924.95 : 299,392.26 = 148,886.03 : x - Step 2: Convert to fraction form
216,924.95/299,392.26 = 148,886.03/x - Step 3: Cross multiply
216,924.95x = 299,392.26 × 148,886.03 - Step 4: Simplify right side
216,924.95x = 44,575,325,004.13 - Step 5: Solve for x
x = 44,575,325,004.13/216,924.95 - Step 6: Final answer
x = 205,487.31
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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.