Finding the Fourth Proportional to 344,135.18, 474,907.07 and 191,169.23
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Solution
The fourth proportional to 344,135.18, 474,907.07 and 191,169.23 is: 263,813.82
Step by Step Solution
- Step 1: Write the proportion equation
344,135.18 : 474,907.07 = 191,169.23 : x - Step 2: Convert to fraction form
344,135.18/474,907.07 = 191,169.23/x - Step 3: Cross multiply
344,135.18x = 474,907.07 × 191,169.23 - Step 4: Simplify right side
344,135.18x = 90,787,615,563.07 - Step 5: Solve for x
x = 90,787,615,563.07/344,135.18 - Step 6: Final answer
x = 263,813.82
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1.5x scale
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.