Finding the Fourth Proportional to 464,220.18, 640,737.81 and 283,032.02
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Solution
The fourth proportional to 464,220.18, 640,737.81 and 283,032.02 is: 390,653.67
Step by Step Solution
- Step 1: Write the proportion equation
464,220.18 : 640,737.81 = 283,032.02 : x - Step 2: Convert to fraction form
464,220.18/640,737.81 = 283,032.02/x - Step 3: Cross multiply
464,220.18x = 640,737.81 × 283,032.02 - Step 4: Simplify right side
464,220.18x = 181,349,318,256.52 - Step 5: Solve for x
x = 181,349,318,256.52/464,220.18 - Step 6: Final answer
x = 390,653.67
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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.