Finding the Fourth Proportional to 459,547.81, 688,901.52 and 193,327.13
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Solution
The fourth proportional to 459,547.81, 688,901.52 and 193,327.13 is: 289,813.92
Step by Step Solution
- Step 1: Write the proportion equation
459,547.81 : 688,901.52 = 193,327.13 : x - Step 2: Convert to fraction form
459,547.81/688,901.52 = 193,327.13/x - Step 3: Cross multiply
459,547.81x = 688,901.52 × 193,327.13 - Step 4: Simplify right side
459,547.81x = 133,183,353,714.24 - Step 5: Solve for x
x = 133,183,353,714.24/459,547.81 - Step 6: Final answer
x = 289,813.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.