Finding the Fourth Proportional to 449,135.60, 672,925.80 and 291,282.80
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Solution
The fourth proportional to 449,135.60, 672,925.80 and 291,282.80 is: 436,419.89
Step by Step Solution
- Step 1: Write the proportion equation
449,135.60 : 672,925.80 = 291,282.80 : x - Step 2: Convert to fraction form
449,135.60/672,925.80 = 291,282.80/x - Step 3: Cross multiply
449,135.60x = 672,925.80 × 291,282.80 - Step 4: Simplify right side
449,135.60x = 196,011,711,216.24 - Step 5: Solve for x
x = 196,011,711,216.24/449,135.60 - Step 6: Final answer
x = 436,419.89
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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.