Finding the Fourth Proportional to 528,499.23, 792,720.54 and 186,918.99
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Solution
The fourth proportional to 528,499.23, 792,720.54 and 186,918.99 is: 280,368.47
Step by Step Solution
- Step 1: Write the proportion equation
528,499.23 : 792,720.54 = 186,918.99 : x - Step 2: Convert to fraction form
528,499.23/792,720.54 = 186,918.99/x - Step 3: Cross multiply
528,499.23x = 792,720.54 × 186,918.99 - Step 4: Simplify right side
528,499.23x = 148,174,522,689.06 - Step 5: Solve for x
x = 148,174,522,689.06/528,499.23 - Step 6: Final answer
x = 280,368.47
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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.