Finding the Fourth Proportional to 338,827.24, 508,137.18 and 128,495.08
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Solution
The fourth proportional to 338,827.24, 508,137.18 and 128,495.08 is: 192,703.30
Step by Step Solution
- Step 1: Write the proportion equation
338,827.24 : 508,137.18 = 128,495.08 : x - Step 2: Convert to fraction form
338,827.24/508,137.18 = 128,495.08/x - Step 3: Cross multiply
338,827.24x = 508,137.18 × 128,495.08 - Step 4: Simplify right side
338,827.24x = 65,293,127,595.07 - Step 5: Solve for x
x = 65,293,127,595.07/338,827.24 - Step 6: Final answer
x = 192,703.30
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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.