Finding the Fourth Proportional to 368,128.18, 508,010.74 and 204,782.74
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Solution
The fourth proportional to 368,128.18, 508,010.74 and 204,782.74 is: 282,596.76
Step by Step Solution
- Step 1: Write the proportion equation
368,128.18 : 508,010.74 = 204,782.74 : x - Step 2: Convert to fraction form
368,128.18/508,010.74 = 204,782.74/x - Step 3: Cross multiply
368,128.18x = 508,010.74 × 204,782.74 - Step 4: Simplify right side
368,128.18x = 104,031,831,286.63 - Step 5: Solve for x
x = 104,031,831,286.63/368,128.18 - Step 6: Final answer
x = 282,596.76
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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.