Finding the Fourth Proportional to 1,368,910.12, 2,053,208.31 and 358,129.62
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Solution
The fourth proportional to 1,368,910.12, 2,053,208.31 and 358,129.62 is: 537,153.39
Step by Step Solution
- Step 1: Write the proportion equation
1,368,910.12 : 2,053,208.31 = 358,129.62 : x - Step 2: Convert to fraction form
1,368,910.12/2,053,208.31 = 358,129.62/x - Step 3: Cross multiply
1,368,910.12x = 2,053,208.31 × 358,129.62 - Step 4: Simplify right side
1,368,910.12x = 735,314,711,841.14 - Step 5: Solve for x
x = 735,314,711,841.14/1,368,910.12 - Step 6: Final answer
x = 537,153.39
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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.