Finding the Fourth Proportional to 437,756.68, 656,655.12 and 134,129.08
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Solution
The fourth proportional to 437,756.68, 656,655.12 and 134,129.08 is: 201,199.78
Step by Step Solution
- Step 1: Write the proportion equation
437,756.68 : 656,655.12 = 134,129.08 : x - Step 2: Convert to fraction form
437,756.68/656,655.12 = 134,129.08/x - Step 3: Cross multiply
437,756.68x = 656,655.12 × 134,129.08 - Step 4: Simplify right side
437,756.68x = 88,076,547,122.89 - Step 5: Solve for x
x = 88,076,547,122.89/437,756.68 - Step 6: Final answer
x = 201,199.78
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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.