Finding the Fourth Proportional to 432,198.14, 596,511.50 and 257,779.53
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Solution
The fourth proportional to 432,198.14, 596,511.50 and 257,779.53 is: 355,782.31
Step by Step Solution
- Step 1: Write the proportion equation
432,198.14 : 596,511.50 = 257,779.53 : x - Step 2: Convert to fraction form
432,198.14/596,511.50 = 257,779.53/x - Step 3: Cross multiply
432,198.14x = 596,511.50 × 257,779.53 - Step 4: Simplify right side
432,198.14x = 153,768,452,820.70 - Step 5: Solve for x
x = 153,768,452,820.70/432,198.14 - Step 6: Final answer
x = 355,782.31
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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.