Finding the Fourth Proportional to 364,565.80, 546,848.70 and 311,421.70
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Solution
The fourth proportional to 364,565.80, 546,848.70 and 311,421.70 is: 467,132.55
Step by Step Solution
- Step 1: Write the proportion equation
364,565.80 : 546,848.70 = 311,421.70 : x - Step 2: Convert to fraction form
364,565.80/546,848.70 = 311,421.70/x - Step 3: Cross multiply
364,565.80x = 546,848.70 × 311,421.70 - Step 4: Simplify right side
364,565.80x = 170,300,551,796.79 - Step 5: Solve for x
x = 170,300,551,796.79/364,565.80 - Step 6: Final answer
x = 467,132.55
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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.