Finding the Fourth Proportional to 154,328.64, 213,094.36 and 118,461.84
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Solution
The fourth proportional to 154,328.64, 213,094.36 and 118,461.84 is: 163,570.09
Step by Step Solution
- Step 1: Write the proportion equation
154,328.64 : 213,094.36 = 118,461.84 : x - Step 2: Convert to fraction form
154,328.64/213,094.36 = 118,461.84/x - Step 3: Cross multiply
154,328.64x = 213,094.36 × 118,461.84 - Step 4: Simplify right side
154,328.64x = 25,243,549,979.22 - Step 5: Solve for x
x = 25,243,549,979.22/154,328.64 - Step 6: Final answer
x = 163,570.09
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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.