Finding the Fourth Proportional to 193,237.29, 266,681.12 and 107,223.80
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Solution
The fourth proportional to 193,237.29, 266,681.12 and 107,223.80 is: 147,976.41
Step by Step Solution
- Step 1: Write the proportion equation
193,237.29 : 266,681.12 = 107,223.80 : x - Step 2: Convert to fraction form
193,237.29/266,681.12 = 107,223.80/x - Step 3: Cross multiply
193,237.29x = 266,681.12 × 107,223.80 - Step 4: Simplify right side
193,237.29x = 28,594,561,205.13 - Step 5: Solve for x
x = 28,594,561,205.13/193,237.29 - Step 6: Final answer
x = 147,976.41
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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.