Finding the Fourth Proportional to 296,626.74, 409,341.65 and 160,657.31
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Solution
The fourth proportional to 296,626.74, 409,341.65 and 160,657.31 is: 221,705.32
Step by Step Solution
- Step 1: Write the proportion equation
296,626.74 : 409,341.65 = 160,657.31 : x - Step 2: Convert to fraction form
296,626.74/409,341.65 = 160,657.31/x - Step 3: Cross multiply
296,626.74x = 409,341.65 × 160,657.31 - Step 4: Simplify right side
296,626.74x = 65,763,725,509.97 - Step 5: Solve for x
x = 65,763,725,509.97/296,626.74 - Step 6: Final answer
x = 221,705.32
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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.