Finding the Fourth Proportional to 351,272.15, 526,909.58 and 85,032.23
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Solution
The fourth proportional to 351,272.15, 526,909.58 and 85,032.23 is: 127,548.67
Step by Step Solution
- Step 1: Write the proportion equation
351,272.15 : 526,909.58 = 85,032.23 : x - Step 2: Convert to fraction form
351,272.15/526,909.58 = 85,032.23/x - Step 3: Cross multiply
351,272.15x = 526,909.58 × 85,032.23 - Step 4: Simplify right side
351,272.15x = 44,804,293,536.05 - Step 5: Solve for x
x = 44,804,293,536.05/351,272.15 - Step 6: Final answer
x = 127,548.67
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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.