Finding the Fourth Proportional to 506,689.04, 759,753.08 and 207,379.92
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Solution
The fourth proportional to 506,689.04, 759,753.08 and 207,379.92 is: 310,955.08
Step by Step Solution
- Step 1: Write the proportion equation
506,689.04 : 759,753.08 = 207,379.92 : x - Step 2: Convert to fraction form
506,689.04/759,753.08 = 207,379.92/x - Step 3: Cross multiply
506,689.04x = 759,753.08 × 207,379.92 - Step 4: Simplify right side
506,689.04x = 157,557,532,950.15 - Step 5: Solve for x
x = 157,557,532,950.15/506,689.04 - Step 6: Final answer
x = 310,955.08
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1.5x scale
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.