Finding the Fourth Proportional to 245,590,272.99, 339,067,557.16 and 156,332,598.06
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Solution
The fourth proportional to 245,590,272.99, 339,067,557.16 and 156,332,598.06 is: 215,836,366.33
Step by Step Solution
- Step 1: Write the proportion equation
245,590,272.99 : 339,067,557.16 = 156,332,598.06 : x - Step 2: Convert to fraction form
245,590,272.99/339,067,557.16 = 156,332,598.06/x - Step 3: Cross multiply
245,590,272.99x = 339,067,557.16 × 156,332,598.06 - Step 4: Simplify right side
245,590,272.99x = 53,007,312,126,203,352 - Step 5: Solve for x
x = 53,007,312,126,203,352/245,590,272.99 - Step 6: Final answer
x = 215,836,366.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.