Finding the Fourth Proportional to 329,798.48, 455,133.08 and 193,830.47
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Solution
The fourth proportional to 329,798.48, 455,133.08 and 193,830.47 is: 267,492.61
Step by Step Solution
- Step 1: Write the proportion equation
329,798.48 : 455,133.08 = 193,830.47 : x - Step 2: Convert to fraction form
329,798.48/455,133.08 = 193,830.47/x - Step 3: Cross multiply
329,798.48x = 455,133.08 × 193,830.47 - Step 4: Simplify right side
329,798.48x = 88,218,655,564.13 - Step 5: Solve for x
x = 88,218,655,564.13/329,798.48 - Step 6: Final answer
x = 267,492.61
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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.