Finding the Fourth Proportional to 384,989.24, 577,291.10 and 118,715.15
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Solution
The fourth proportional to 384,989.24, 577,291.10 and 118,715.15 is: 178,013.28
Step by Step Solution
- Step 1: Write the proportion equation
384,989.24 : 577,291.10 = 118,715.15 : x - Step 2: Convert to fraction form
384,989.24/577,291.10 = 118,715.15/x - Step 3: Cross multiply
384,989.24x = 577,291.10 × 118,715.15 - Step 4: Simplify right side
384,989.24x = 68,533,196,050.13 - Step 5: Solve for x
x = 68,533,196,050.13/384,989.24 - Step 6: Final answer
x = 178,013.28
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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.