Finding the Fourth Proportional to 912,208.68, 1,368,393.21 and 238,284.63
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Solution
The fourth proportional to 912,208.68, 1,368,393.21 and 238,284.63 is: 357,447.89
Step by Step Solution
- Step 1: Write the proportion equation
912,208.68 : 1,368,393.21 = 238,284.63 : x - Step 2: Convert to fraction form
912,208.68/1,368,393.21 = 238,284.63/x - Step 3: Cross multiply
912,208.68x = 1,368,393.21 × 238,284.63 - Step 4: Simplify right side
912,208.68x = 326,067,069,739.36 - Step 5: Solve for x
x = 326,067,069,739.36/912,208.68 - Step 6: Final answer
x = 357,447.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.