Finding the Fourth Proportional to 670,490.16, 925,290.36 and 368,683.44
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Solution
The fourth proportional to 670,490.16, 925,290.36 and 368,683.44 is: 508,790.81
Step by Step Solution
- Step 1: Write the proportion equation
670,490.16 : 925,290.36 = 368,683.44 : x - Step 2: Convert to fraction form
670,490.16/925,290.36 = 368,683.44/x - Step 3: Cross multiply
670,490.16x = 925,290.36 × 368,683.44 - Step 4: Simplify right side
670,490.16x = 341,139,232,923.64 - Step 5: Solve for x
x = 341,139,232,923.64/670,490.16 - Step 6: Final answer
x = 508,790.81
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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.