Finding the Fourth Proportional to 302,083.70, 453,125.55 and 283,421.30
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Solution
The fourth proportional to 302,083.70, 453,125.55 and 283,421.30 is: 425,131.95
Step by Step Solution
- Step 1: Write the proportion equation
302,083.70 : 453,125.55 = 283,421.30 : x - Step 2: Convert to fraction form
302,083.70/453,125.55 = 283,421.30/x - Step 3: Cross multiply
302,083.70x = 453,125.55 × 283,421.30 - Step 4: Simplify right side
302,083.70x = 128,425,432,444.22 - Step 5: Solve for x
x = 128,425,432,444.22/302,083.70 - Step 6: Final answer
x = 425,131.95
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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.