Finding the Fourth Proportional to 537,412.36, 741,731.70 and 355,803.88
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Solution
The fourth proportional to 537,412.36, 741,731.70 and 355,803.88 is: 491,077.31
Step by Step Solution
- Step 1: Write the proportion equation
537,412.36 : 741,731.70 = 355,803.88 : x - Step 2: Convert to fraction form
537,412.36/741,731.70 = 355,803.88/x - Step 3: Cross multiply
537,412.36x = 741,731.70 × 355,803.88 - Step 4: Simplify right side
537,412.36x = 263,911,016,779.00 - Step 5: Solve for x
x = 263,911,016,779.00/537,412.36 - Step 6: Final answer
x = 491,077.31
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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.