Finding the Fourth Proportional to 487,985.87, 673,420.39 and 273,125.95
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Solution
The fourth proportional to 487,985.87, 673,420.39 and 273,125.95 is: 376,913.74
Step by Step Solution
- Step 1: Write the proportion equation
487,985.87 : 673,420.39 = 273,125.95 : x - Step 2: Convert to fraction form
487,985.87/673,420.39 = 273,125.95/x - Step 3: Cross multiply
487,985.87x = 673,420.39 × 273,125.95 - Step 4: Simplify right side
487,985.87x = 183,928,581,401.76 - Step 5: Solve for x
x = 183,928,581,401.76/487,985.87 - Step 6: Final answer
x = 376,913.74
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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.