Finding the Fourth Proportional to 355,779.44, 533,746.96 and 106,442
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Solution
The fourth proportional to 355,779.44, 533,746.96 and 106,442 is: 159,686.28
Step by Step Solution
- Step 1: Write the proportion equation
355,779.44 : 533,746.96 = 106,442 : x - Step 2: Convert to fraction form
355,779.44/533,746.96 = 106,442/x - Step 3: Cross multiply
355,779.44x = 533,746.96 × 106,442 - Step 4: Simplify right side
355,779.44x = 56,813,093,916.32 - Step 5: Solve for x
x = 56,813,093,916.32/355,779.44 - Step 6: Final answer
x = 159,686.28
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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.