Finding the Fourth Proportional to 507,437.19, 699,859.24 and 326,167.70
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Solution
The fourth proportional to 507,437.19, 699,859.24 and 326,167.70 is: 449,851.68
Step by Step Solution
- Step 1: Write the proportion equation
507,437.19 : 699,859.24 = 326,167.70 : x - Step 2: Convert to fraction form
507,437.19/699,859.24 = 326,167.70/x - Step 3: Cross multiply
507,437.19x = 699,859.24 × 326,167.70 - Step 4: Simplify right side
507,437.19x = 228,271,474,319.83 - Step 5: Solve for x
x = 228,271,474,319.83/507,437.19 - Step 6: Final answer
x = 449,851.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.