Finding the Fourth Proportional to 228,356.19, 342,567.09 and 70,596.95
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Solution
The fourth proportional to 228,356.19, 342,567.09 and 70,596.95 is: 105,905.56
Step by Step Solution
- Step 1: Write the proportion equation
228,356.19 : 342,567.09 = 70,596.95 : x - Step 2: Convert to fraction form
228,356.19/342,567.09 = 70,596.95/x - Step 3: Cross multiply
228,356.19x = 342,567.09 × 70,596.95 - Step 4: Simplify right side
228,356.19x = 24,184,190,011.54 - Step 5: Solve for x
x = 24,184,190,011.54/228,356.19 - Step 6: Final answer
x = 105,905.56
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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.