Finding the Fourth Proportional to 487,756.92, 673,130.70 and 272,884.14
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Solution
The fourth proportional to 487,756.92, 673,130.70 and 272,884.14 is: 376,594.74
Step by Step Solution
- Step 1: Write the proportion equation
487,756.92 : 673,130.70 = 272,884.14 : x - Step 2: Convert to fraction form
487,756.92/673,130.70 = 272,884.14/x - Step 3: Cross multiply
487,756.92x = 673,130.70 × 272,884.14 - Step 4: Simplify right side
487,756.92x = 183,686,692,177.10 - Step 5: Solve for x
x = 183,686,692,177.10/487,756.92 - Step 6: Final answer
x = 376,594.74
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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.