Finding the Fourth Proportional to 381,779.64, 572,416.68 and 182,130.84
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Solution
The fourth proportional to 381,779.64, 572,416.68 and 182,130.84 is: 273,075.67
Step by Step Solution
- Step 1: Write the proportion equation
381,779.64 : 572,416.68 = 182,130.84 : x - Step 2: Convert to fraction form
381,779.64/572,416.68 = 182,130.84/x - Step 3: Cross multiply
381,779.64x = 572,416.68 × 182,130.84 - Step 4: Simplify right side
381,779.64x = 104,254,730,758.41 - Step 5: Solve for x
x = 104,254,730,758.41/381,779.64 - Step 6: Final answer
x = 273,075.67
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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.