Finding the Fourth Proportional to 358,565.70, 537,723.19 and 105,779.08
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Solution
The fourth proportional to 358,565.70, 537,723.19 and 105,779.08 is: 158,631.64
Step by Step Solution
- Step 1: Write the proportion equation
358,565.70 : 537,723.19 = 105,779.08 : x - Step 2: Convert to fraction form
358,565.70/537,723.19 = 105,779.08/x - Step 3: Cross multiply
358,565.70x = 537,723.19 × 105,779.08 - Step 4: Simplify right side
358,565.70x = 56,879,864,332.87 - Step 5: Solve for x
x = 56,879,864,332.87/358,565.70 - Step 6: Final answer
x = 158,631.64
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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.