Finding the Fourth Proportional to 351,914.99, 527,881.12 and 115,248.11
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Solution
The fourth proportional to 351,914.99, 527,881.12 and 115,248.11 is: 172,874.99
Step by Step Solution
- Step 1: Write the proportion equation
351,914.99 : 527,881.12 = 115,248.11 : x - Step 2: Convert to fraction form
351,914.99/527,881.12 = 115,248.11/x - Step 3: Cross multiply
351,914.99x = 527,881.12 × 115,248.11 - Step 4: Simplify right side
351,914.99x = 60,837,298,457.16 - Step 5: Solve for x
x = 60,837,298,457.16/351,914.99 - Step 6: Final answer
x = 172,874.99
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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.