Finding the Fourth Proportional to 366,421.80, 549,632.70 and 304,213.80
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Solution
The fourth proportional to 366,421.80, 549,632.70 and 304,213.80 is: 456,320.70
Step by Step Solution
- Step 1: Write the proportion equation
366,421.80 : 549,632.70 = 304,213.80 : x - Step 2: Convert to fraction form
366,421.80/549,632.70 = 304,213.80/x - Step 3: Cross multiply
366,421.80x = 549,632.70 × 304,213.80 - Step 4: Simplify right side
366,421.80x = 167,205,852,271.26 - Step 5: Solve for x
x = 167,205,852,271.26/366,421.80 - Step 6: Final answer
x = 456,320.70
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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.