Finding the Fourth Proportional to 214,675.97, 296,247.08 and 128,683.53
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Solution
The fourth proportional to 214,675.97, 296,247.08 and 128,683.53 is: 177,579.82
Step by Step Solution
- Step 1: Write the proportion equation
214,675.97 : 296,247.08 = 128,683.53 : x - Step 2: Convert to fraction form
214,675.97/296,247.08 = 128,683.53/x - Step 3: Cross multiply
214,675.97x = 296,247.08 × 128,683.53 - Step 4: Simplify right side
214,675.97x = 38,122,119,363.17 - Step 5: Solve for x
x = 38,122,119,363.17/214,675.97 - Step 6: Final answer
x = 177,579.82
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1.5x scale
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.