Finding the Fourth Proportional to 171,330.01, 236,460.16 and 98,718.99
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Solution
The fourth proportional to 171,330.01, 236,460.16 and 98,718.99 is: 136,246.47
Step by Step Solution
- Step 1: Write the proportion equation
171,330.01 : 236,460.16 = 98,718.99 : x - Step 2: Convert to fraction form
171,330.01/236,460.16 = 98,718.99/x - Step 3: Cross multiply
171,330.01x = 236,460.16 × 98,718.99 - Step 4: Simplify right side
171,330.01x = 23,343,108,267.99 - Step 5: Solve for x
x = 23,343,108,267.99/171,330.01 - Step 6: Final answer
x = 136,246.47
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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.