Finding the Fourth Proportional to 346,827.63, 478,683.03 and 201,678.32
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Solution
The fourth proportional to 346,827.63, 478,683.03 and 201,678.32 is: 278,351.49
Step by Step Solution
- Step 1: Write the proportion equation
346,827.63 : 478,683.03 = 201,678.32 : x - Step 2: Convert to fraction form
346,827.63/478,683.03 = 201,678.32/x - Step 3: Cross multiply
346,827.63x = 478,683.03 × 201,678.32 - Step 4: Simplify right side
346,827.63x = 96,539,987,509.18 - Step 5: Solve for x
x = 96,539,987,509.18/346,827.63 - Step 6: Final answer
x = 278,351.49
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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.