Finding the Fourth Proportional to 579,455.08, 869,350.28 and 242,321.72
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Solution
The fourth proportional to 579,455.08, 869,350.28 and 242,321.72 is: 363,552.69
Step by Step Solution
- Step 1: Write the proportion equation
579,455.08 : 869,350.28 = 242,321.72 : x - Step 2: Convert to fraction form
579,455.08/869,350.28 = 242,321.72/x - Step 3: Cross multiply
579,455.08x = 869,350.28 × 242,321.72 - Step 4: Simplify right side
579,455.08x = 210,662,455,132.08 - Step 5: Solve for x
x = 210,662,455,132.08/579,455.08 - Step 6: Final answer
x = 363,552.69
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1.5x scale
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.