Finding the Fourth Proportional to 357,482.88, 493,202.52 and 212,255.28
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Solution
The fourth proportional to 357,482.88, 493,202.52 and 212,255.28 is: 292,838.75
Step by Step Solution
- Step 1: Write the proportion equation
357,482.88 : 493,202.52 = 212,255.28 : x - Step 2: Convert to fraction form
357,482.88/493,202.52 = 212,255.28/x - Step 3: Cross multiply
357,482.88x = 493,202.52 × 212,255.28 - Step 4: Simplify right side
357,482.88x = 104,684,838,979.31 - Step 5: Solve for x
x = 104,684,838,979.31/357,482.88 - Step 6: Final answer
x = 292,838.75
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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.