Finding the Fourth Proportional to 292,767.08, 438,811.68 and 134,663.72
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Solution
The fourth proportional to 292,767.08, 438,811.68 and 134,663.72 is: 201,839.68
Step by Step Solution
- Step 1: Write the proportion equation
292,767.08 : 438,811.68 = 134,663.72 : x - Step 2: Convert to fraction form
292,767.08/438,811.68 = 134,663.72/x - Step 3: Cross multiply
292,767.08x = 438,811.68 × 134,663.72 - Step 4: Simplify right side
292,767.08x = 59,092,013,208.25 - Step 5: Solve for x
x = 59,092,013,208.25/292,767.08 - Step 6: Final answer
x = 201,839.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.