Finding the Fourth Proportional to 746,323.20, 1,119,484.80 and 185,357.70
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Solution
The fourth proportional to 746,323.20, 1,119,484.80 and 185,357.70 is: 278,036.55
Step by Step Solution
- Step 1: Write the proportion equation
746,323.20 : 1,119,484.80 = 185,357.70 : x - Step 2: Convert to fraction form
746,323.20/1,119,484.80 = 185,357.70/x - Step 3: Cross multiply
746,323.20x = 1,119,484.80 × 185,357.70 - Step 4: Simplify right side
746,323.20x = 207,505,127,712.96 - Step 5: Solve for x
x = 207,505,127,712.96/746,323.20 - Step 6: Final answer
x = 278,036.55
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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.