Finding the Fourth Proportional to 525,412.84, 787,975.60 and 188,390.84
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Solution
The fourth proportional to 525,412.84, 787,975.60 and 188,390.84 is: 282,534.75
Step by Step Solution
- Step 1: Write the proportion equation
525,412.84 : 787,975.60 = 188,390.84 : x - Step 2: Convert to fraction form
525,412.84/787,975.60 = 188,390.84/x - Step 3: Cross multiply
525,412.84x = 787,975.60 × 188,390.84 - Step 4: Simplify right side
525,412.84x = 148,447,385,183.50 - Step 5: Solve for x
x = 148,447,385,183.50/525,412.84 - Step 6: Final answer
x = 282,534.75
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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.