Finding the Fourth Proportional to 319,857.36, 441,400.23 and 176,614.26
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Solution
The fourth proportional to 319,857.36, 441,400.23 and 176,614.26 is: 243,726.06
Step by Step Solution
- Step 1: Write the proportion equation
319,857.36 : 441,400.23 = 176,614.26 : x - Step 2: Convert to fraction form
319,857.36/441,400.23 = 176,614.26/x - Step 3: Cross multiply
319,857.36x = 441,400.23 × 176,614.26 - Step 4: Simplify right side
319,857.36x = 77,957,574,985.28 - Step 5: Solve for x
x = 77,957,574,985.28/319,857.36 - Step 6: Final answer
x = 243,726.06
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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.