Finding the Fourth Proportional to 357,731.93, 493,562.34 and 214,439.69
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Solution
The fourth proportional to 357,731.93, 493,562.34 and 214,439.69 is: 295,862.20
Step by Step Solution
- Step 1: Write the proportion equation
357,731.93 : 493,562.34 = 214,439.69 : x - Step 2: Convert to fraction form
357,731.93/493,562.34 = 214,439.69/x - Step 3: Cross multiply
357,731.93x = 493,562.34 × 214,439.69 - Step 4: Simplify right side
357,731.93x = 105,839,352,717.46 - Step 5: Solve for x
x = 105,839,352,717.46/357,731.93 - Step 6: Final answer
x = 295,862.20
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1.5x scale
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.