Finding the Fourth Proportional to 291,820.08, 402,863.94 and 207,139.44
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Solution
The fourth proportional to 291,820.08, 402,863.94 and 207,139.44 is: 285,960.48
Step by Step Solution
- Step 1: Write the proportion equation
291,820.08 : 402,863.94 = 207,139.44 : x - Step 2: Convert to fraction form
291,820.08/402,863.94 = 207,139.44/x - Step 3: Cross multiply
291,820.08x = 402,863.94 × 207,139.44 - Step 4: Simplify right side
291,820.08x = 83,449,010,927.79 - Step 5: Solve for x
x = 83,449,010,927.79/291,820.08 - Step 6: Final answer
x = 285,960.48
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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.