Finding the Fourth Proportional to 245,280,752.70, 367,921,129.05 and 190,861,194.30
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Solution
The fourth proportional to 245,280,752.70, 367,921,129.05 and 190,861,194.30 is: 286,291,791.45
Step by Step Solution
- Step 1: Write the proportion equation
245,280,752.70 : 367,921,129.05 = 190,861,194.30 : x - Step 2: Convert to fraction form
245,280,752.70/367,921,129.05 = 190,861,194.30/x - Step 3: Cross multiply
245,280,752.70x = 367,921,129.05 × 190,861,194.30 - Step 4: Simplify right side
245,280,752.70x = 70,221,866,098,687,432 - Step 5: Solve for x
x = 70,221,866,098,687,432/245,280,752.70 - Step 6: Final answer
x = 286,291,791.45
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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.