Finding the Fourth Proportional to 1,256,138.16, 1,884,208.26 and 309,508.98
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Solution
The fourth proportional to 1,256,138.16, 1,884,208.26 and 309,508.98 is: 464,263.72
Step by Step Solution
- Step 1: Write the proportion equation
1,256,138.16 : 1,884,208.26 = 309,508.98 : x - Step 2: Convert to fraction form
1,256,138.16/1,884,208.26 = 309,508.98/x - Step 3: Cross multiply
1,256,138.16x = 1,884,208.26 × 309,508.98 - Step 4: Simplify right side
1,256,138.16x = 583,179,376,660.18 - Step 5: Solve for x
x = 583,179,376,660.18/1,256,138.16 - Step 6: Final answer
x = 464,263.72
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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.