Finding the Fourth Proportional to 418,740.60, 577,615.80 and 263,444.88
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Solution
The fourth proportional to 418,740.60, 577,615.80 and 263,444.88 is: 363,399.02
Step by Step Solution
- Step 1: Write the proportion equation
418,740.60 : 577,615.80 = 263,444.88 : x - Step 2: Convert to fraction form
418,740.60/577,615.80 = 263,444.88/x - Step 3: Cross multiply
418,740.60x = 577,615.80 × 263,444.88 - Step 4: Simplify right side
418,740.60x = 152,169,925,117.10 - Step 5: Solve for x
x = 152,169,925,117.10/418,740.60 - Step 6: Final answer
x = 363,399.02
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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.