Finding the Fourth Proportional to 298,282.74, 411,637.80 and 162,324.06
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Solution
The fourth proportional to 298,282.74, 411,637.80 and 162,324.06 is: 224,011.35
Step by Step Solution
- Step 1: Write the proportion equation
298,282.74 : 411,637.80 = 162,324.06 : x - Step 2: Convert to fraction form
298,282.74/411,637.80 = 162,324.06/x - Step 3: Cross multiply
298,282.74x = 411,637.80 × 162,324.06 - Step 4: Simplify right side
298,282.74x = 66,818,718,945.47 - Step 5: Solve for x
x = 66,818,718,945.47/298,282.74 - Step 6: Final answer
x = 224,011.35
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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.