Finding the Fourth Proportional to 531,269.66, 733,130.74 and 289,547.08
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Solution
The fourth proportional to 531,269.66, 733,130.74 and 289,547.08 is: 399,563.31
Step by Step Solution
- Step 1: Write the proportion equation
531,269.66 : 733,130.74 = 289,547.08 : x - Step 2: Convert to fraction form
531,269.66/733,130.74 = 289,547.08/x - Step 3: Cross multiply
531,269.66x = 733,130.74 × 289,547.08 - Step 4: Simplify right side
531,269.66x = 212,275,865,025.24 - Step 5: Solve for x
x = 212,275,865,025.24/531,269.66 - Step 6: Final answer
x = 399,563.31
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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.