Finding the Fourth Proportional to 347,117.08, 520,740.78 and 157,590.75
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Solution
The fourth proportional to 347,117.08, 520,740.78 and 157,590.75 is: 236,415.71
Step by Step Solution
- Step 1: Write the proportion equation
347,117.08 : 520,740.78 = 157,590.75 : x - Step 2: Convert to fraction form
347,117.08/520,740.78 = 157,590.75/x - Step 3: Cross multiply
347,117.08x = 520,740.78 × 157,590.75 - Step 4: Simplify right side
347,117.08x = 82,063,930,075.79 - Step 5: Solve for x
x = 82,063,930,075.79/347,117.08 - Step 6: Final answer
x = 236,415.71
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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.