Finding the Fourth Proportional to 315,403.40, 472,798.92 and 125,808.68
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Solution
The fourth proportional to 315,403.40, 472,798.92 and 125,808.68 is: 188,590.89
Step by Step Solution
- Step 1: Write the proportion equation
315,403.40 : 472,798.92 = 125,808.68 : x - Step 2: Convert to fraction form
315,403.40/472,798.92 = 125,808.68/x - Step 3: Cross multiply
315,403.40x = 472,798.92 × 125,808.68 - Step 4: Simplify right side
315,403.40x = 59,482,208,030.63 - Step 5: Solve for x
x = 59,482,208,030.63/315,403.40 - Step 6: Final answer
x = 188,590.89
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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.