Finding the Fourth Proportional to 361,509.42, 539,032.08 and 351,578.02
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Solution
The fourth proportional to 361,509.42, 539,032.08 and 351,578.02 is: 524,223.77
Step by Step Solution
- Step 1: Write the proportion equation
361,509.42 : 539,032.08 = 351,578.02 : x - Step 2: Convert to fraction form
361,509.42/539,032.08 = 351,578.02/x - Step 3: Cross multiply
361,509.42x = 539,032.08 × 351,578.02 - Step 4: Simplify right side
361,509.42x = 189,511,831,402.88 - Step 5: Solve for x
x = 189,511,831,402.88/361,509.42 - Step 6: Final answer
x = 524,223.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.