Finding the Fourth Proportional to 354,076.65, 531,271.98 and 185,556.91
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Solution
The fourth proportional to 354,076.65, 531,271.98 and 185,556.91 is: 278,417.65
Step by Step Solution
- Step 1: Write the proportion equation
354,076.65 : 531,271.98 = 185,556.91 : x - Step 2: Convert to fraction form
354,076.65/531,271.98 = 185,556.91/x - Step 3: Cross multiply
354,076.65x = 531,271.98 × 185,556.91 - Step 4: Simplify right side
354,076.65x = 98,581,186,050.60 - Step 5: Solve for x
x = 98,581,186,050.60/354,076.65 - Step 6: Final answer
x = 278,417.65
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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.