Finding the Fourth Proportional to 304,756.68, 457,130.16 and 83,140.68
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Solution
The fourth proportional to 304,756.68, 457,130.16 and 83,140.68 is: 124,709.69
Step by Step Solution
- Step 1: Write the proportion equation
304,756.68 : 457,130.16 = 83,140.68 : x - Step 2: Convert to fraction form
304,756.68/457,130.16 = 83,140.68/x - Step 3: Cross multiply
304,756.68x = 457,130.16 × 83,140.68 - Step 4: Simplify right side
304,756.68x = 38,006,112,350.91 - Step 5: Solve for x
x = 38,006,112,350.91/304,756.68 - Step 6: Final answer
x = 124,709.69
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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.