Finding the Fourth Proportional to 457,178.12, 630,916.04 and 260,940.69
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Solution
The fourth proportional to 457,178.12, 630,916.04 and 260,940.69 is: 360,103.99
Step by Step Solution
- Step 1: Write the proportion equation
457,178.12 : 630,916.04 = 260,940.69 : x - Step 2: Convert to fraction form
457,178.12/630,916.04 = 260,940.69/x - Step 3: Cross multiply
457,178.12x = 630,916.04 × 260,940.69 - Step 4: Simplify right side
457,178.12x = 164,631,666,809.67 - Step 5: Solve for x
x = 164,631,666,809.67/457,178.12 - Step 6: Final answer
x = 360,103.99
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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.