Finding the Fourth Proportional to 712,670.94, 1,069,162.07 and 239,343.93
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Solution
The fourth proportional to 712,670.94, 1,069,162.07 and 239,343.93 is: 359,068.17
Step by Step Solution
- Step 1: Write the proportion equation
712,670.94 : 1,069,162.07 = 239,343.93 : x - Step 2: Convert to fraction form
712,670.94/1,069,162.07 = 239,343.93/x - Step 3: Cross multiply
712,670.94x = 1,069,162.07 × 239,343.93 - Step 4: Simplify right side
712,670.94x = 255,897,450,444.02 - Step 5: Solve for x
x = 255,897,450,444.02/712,670.94 - Step 6: Final answer
x = 359,068.17
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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.