Finding the Fourth Proportional to 609,214.24, 913,919.28 and 209,756.80
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Solution
The fourth proportional to 609,214.24, 913,919.28 and 209,756.80 is: 314,668.91
Step by Step Solution
- Step 1: Write the proportion equation
609,214.24 : 913,919.28 = 209,756.80 : x - Step 2: Convert to fraction form
609,214.24/913,919.28 = 209,756.80/x - Step 3: Cross multiply
609,214.24x = 913,919.28 × 209,756.80 - Step 4: Simplify right side
609,214.24x = 191,700,783,631.10 - Step 5: Solve for x
x = 191,700,783,631.10/609,214.24 - Step 6: Final answer
x = 314,668.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.