Finding the Fourth Proportional to 328,519.70, 492,779.55 and 295,277.30
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Solution
The fourth proportional to 328,519.70, 492,779.55 and 295,277.30 is: 442,915.95
Step by Step Solution
- Step 1: Write the proportion equation
328,519.70 : 492,779.55 = 295,277.30 : x - Step 2: Convert to fraction form
328,519.70/492,779.55 = 295,277.30/x - Step 3: Cross multiply
328,519.70x = 492,779.55 × 295,277.30 - Step 4: Simplify right side
328,519.70x = 145,506,615,019.22 - Step 5: Solve for x
x = 145,506,615,019.22/328,519.70 - Step 6: Final answer
x = 442,915.95
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1.5x scale
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.