Finding the Fourth Proportional to 647,038.14, 892,916.16 and 375,267.18
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Solution
The fourth proportional to 647,038.14, 892,916.16 and 375,267.18 is: 517,870.75
Step by Step Solution
- Step 1: Write the proportion equation
647,038.14 : 892,916.16 = 375,267.18 : x - Step 2: Convert to fraction form
647,038.14/892,916.16 = 375,267.18/x - Step 3: Cross multiply
647,038.14x = 892,916.16 × 375,267.18 - Step 4: Simplify right side
647,038.14x = 335,082,129,339.63 - Step 5: Solve for x
x = 335,082,129,339.63/647,038.14 - Step 6: Final answer
x = 517,870.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.