Finding the Fourth Proportional to 549,129.57, 823,609.70 and 149,802.81
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Solution
The fourth proportional to 549,129.57, 823,609.70 and 149,802.81 is: 224,681.12
Step by Step Solution
- Step 1: Write the proportion equation
549,129.57 : 823,609.70 = 149,802.81 : x - Step 2: Convert to fraction form
549,129.57/823,609.70 = 149,802.81/x - Step 3: Cross multiply
549,129.57x = 823,609.70 × 149,802.81 - Step 4: Simplify right side
549,129.57x = 123,379,047,403.26 - Step 5: Solve for x
x = 123,379,047,403.26/549,129.57 - Step 6: Final answer
x = 224,681.12
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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.