Finding the Fourth Proportional to 1,143,159.53, 1,714,740.05 and 290,295.14
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Solution
The fourth proportional to 1,143,159.53, 1,714,740.05 and 290,295.14 is: 435,442.90
Step by Step Solution
- Step 1: Write the proportion equation
1,143,159.53 : 1,714,740.05 = 290,295.14 : x - Step 2: Convert to fraction form
1,143,159.53/1,714,740.05 = 290,295.14/x - Step 3: Cross multiply
1,143,159.53x = 1,714,740.05 × 290,295.14 - Step 4: Simplify right side
1,143,159.53x = 497,780,695,030.40 - Step 5: Solve for x
x = 497,780,695,030.40/1,143,159.53 - Step 6: Final answer
x = 435,442.90
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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.