Finding the Fourth Proportional to 711,904.68, 1,068,031.80 and 213,268.68
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Solution
The fourth proportional to 711,904.68, 1,068,031.80 and 213,268.68 is: 319,955.38
Step by Step Solution
- Step 1: Write the proportion equation
711,904.68 : 1,068,031.80 = 213,268.68 : x - Step 2: Convert to fraction form
711,904.68/1,068,031.80 = 213,268.68/x - Step 3: Cross multiply
711,904.68x = 1,068,031.80 × 213,268.68 - Step 4: Simplify right side
711,904.68x = 227,777,732,184.02 - Step 5: Solve for x
x = 227,777,732,184.02/711,904.68 - Step 6: Final answer
x = 319,955.38
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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.