Finding the Fourth Proportional to 212,117.19, 292,679.73 and 118,985.91
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Solution
The fourth proportional to 212,117.19, 292,679.73 and 118,985.91 is: 164,177.00
Step by Step Solution
- Step 1: Write the proportion equation
212,117.19 : 292,679.73 = 118,985.91 : x - Step 2: Convert to fraction form
212,117.19/292,679.73 = 118,985.91/x - Step 3: Cross multiply
212,117.19x = 292,679.73 × 118,985.91 - Step 4: Simplify right side
212,117.19x = 34,824,764,012.60 - Step 5: Solve for x
x = 34,824,764,012.60/212,117.19 - Step 6: Final answer
x = 164,177.00
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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.