Finding the Fourth Proportional to 212,263.04, 292,913.76 and 116,763.68
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Solution
The fourth proportional to 212,263.04, 292,913.76 and 116,763.68 is: 161,128.80
Step by Step Solution
- Step 1: Write the proportion equation
212,263.04 : 292,913.76 = 116,763.68 : x - Step 2: Convert to fraction form
212,263.04/292,913.76 = 116,763.68/x - Step 3: Cross multiply
212,263.04x = 292,913.76 × 116,763.68 - Step 4: Simplify right side
212,263.04x = 34,201,688,540.24 - Step 5: Solve for x
x = 34,201,688,540.24/212,263.04 - Step 6: Final answer
x = 161,128.80
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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.