Finding the Fourth Proportional to 153,212.16, 211,437.84 and 92,794.08
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Solution
The fourth proportional to 153,212.16, 211,437.84 and 92,794.08 is: 128,058.89
Step by Step Solution
- Step 1: Write the proportion equation
153,212.16 : 211,437.84 = 92,794.08 : x - Step 2: Convert to fraction form
153,212.16/211,437.84 = 92,794.08/x - Step 3: Cross multiply
153,212.16x = 211,437.84 × 92,794.08 - Step 4: Simplify right side
153,212.16x = 19,620,179,839.99 - Step 5: Solve for x
x = 19,620,179,839.99/153,212.16 - Step 6: Final answer
x = 128,058.89
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1.5x scale
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.