Finding the Fourth Proportional to 361,948.08, 542,638.22 and 228,548.07
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Solution
The fourth proportional to 361,948.08, 542,638.22 and 228,548.07 is: 342,642.84
Step by Step Solution
- Step 1: Write the proportion equation
361,948.08 : 542,638.22 = 228,548.07 : x - Step 2: Convert to fraction form
361,948.08/542,638.22 = 228,548.07/x - Step 3: Cross multiply
361,948.08x = 542,638.22 × 228,548.07 - Step 4: Simplify right side
361,948.08x = 124,018,916,746.50 - Step 5: Solve for x
x = 124,018,916,746.50/361,948.08 - Step 6: Final answer
x = 342,642.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.