Finding the Fourth Proportional to 307,225.80, 460,838.70 and 293,447.70
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Solution
The fourth proportional to 307,225.80, 460,838.70 and 293,447.70 is: 440,171.55
Step by Step Solution
- Step 1: Write the proportion equation
307,225.80 : 460,838.70 = 293,447.70 : x - Step 2: Convert to fraction form
307,225.80/460,838.70 = 293,447.70/x - Step 3: Cross multiply
307,225.80x = 460,838.70 × 293,447.70 - Step 4: Simplify right side
307,225.80x = 135,232,056,585.99 - Step 5: Solve for x
x = 135,232,056,585.99/307,225.80 - Step 6: Final answer
x = 440,171.55
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1.5x scale
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.