Finding the Fourth Proportional to 217,263.17, 299,818.63 and 119,144.99
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Solution
The fourth proportional to 217,263.17, 299,818.63 and 119,144.99 is: 164,417.59
Step by Step Solution
- Step 1: Write the proportion equation
217,263.17 : 299,818.63 = 119,144.99 : x - Step 2: Convert to fraction form
217,263.17/299,818.63 = 119,144.99/x - Step 3: Cross multiply
217,263.17x = 299,818.63 × 119,144.99 - Step 4: Simplify right side
217,263.17x = 35,721,887,673.16 - Step 5: Solve for x
x = 35,721,887,673.16/217,263.17 - Step 6: Final answer
x = 164,417.59
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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.