Finding the Fourth Proportional to 268,444.65, 370,453.85 and 147,587.99
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Solution
The fourth proportional to 268,444.65, 370,453.85 and 147,587.99 is: 203,671.55
Step by Step Solution
- Step 1: Write the proportion equation
268,444.65 : 370,453.85 = 147,587.99 : x - Step 2: Convert to fraction form
268,444.65/370,453.85 = 147,587.99/x - Step 3: Cross multiply
268,444.65x = 370,453.85 × 147,587.99 - Step 4: Simplify right side
268,444.65x = 54,674,539,109.26 - Step 5: Solve for x
x = 54,674,539,109.26/268,444.65 - Step 6: Final answer
x = 203,671.55
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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.