Finding the Fourth Proportional to 579,589.12, 869,309.76 and 224,360.08
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Solution
The fourth proportional to 579,589.12, 869,309.76 and 224,360.08 is: 336,511.51
Step by Step Solution
- Step 1: Write the proportion equation
579,589.12 : 869,309.76 = 224,360.08 : x - Step 2: Convert to fraction form
579,589.12/869,309.76 = 224,360.08/x - Step 3: Cross multiply
579,589.12x = 869,309.76 × 224,360.08 - Step 4: Simplify right side
579,589.12x = 195,038,407,298.38 - Step 5: Solve for x
x = 195,038,407,298.38/579,589.12 - Step 6: Final answer
x = 336,511.51
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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.