Finding the Fourth Proportional to 338,394.18, 507,636.26 and 158,455.03
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Solution
The fourth proportional to 338,394.18, 507,636.26 and 158,455.03 is: 237,703.61
Step by Step Solution
- Step 1: Write the proportion equation
338,394.18 : 507,636.26 = 158,455.03 : x - Step 2: Convert to fraction form
338,394.18/507,636.26 = 158,455.03/x - Step 3: Cross multiply
338,394.18x = 507,636.26 × 158,455.03 - Step 4: Simplify right side
338,394.18x = 80,437,518,807.39 - Step 5: Solve for x
x = 80,437,518,807.39/338,394.18 - Step 6: Final answer
x = 237,703.61
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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.