Finding the Fourth Proportional to 376,869.18, 520,108.47 and 215,774.94
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Solution
The fourth proportional to 376,869.18, 520,108.47 and 215,774.94 is: 297,786.02
Step by Step Solution
- Step 1: Write the proportion equation
376,869.18 : 520,108.47 = 215,774.94 : x - Step 2: Convert to fraction form
376,869.18/520,108.47 = 215,774.94/x - Step 3: Cross multiply
376,869.18x = 520,108.47 × 215,774.94 - Step 4: Simplify right side
376,869.18x = 112,226,373,907.74 - Step 5: Solve for x
x = 112,226,373,907.74/376,869.18 - Step 6: Final answer
x = 297,786.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.