Finding the Fourth Proportional to 471,938.20, 708,368.10 and 235,547.80
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Solution
The fourth proportional to 471,938.20, 708,368.10 and 235,547.80 is: 353,551.69
Step by Step Solution
- Step 1: Write the proportion equation
471,938.20 : 708,368.10 = 235,547.80 : x - Step 2: Convert to fraction form
471,938.20/708,368.10 = 235,547.80/x - Step 3: Cross multiply
471,938.20x = 708,368.10 × 235,547.80 - Step 4: Simplify right side
471,938.20x = 166,854,547,545.18 - Step 5: Solve for x
x = 166,854,547,545.18/471,938.20 - Step 6: Final answer
x = 353,551.69
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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.