Finding the Fourth Proportional to 380,567.96, 525,201.08 and 210,802.08
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Solution
The fourth proportional to 380,567.96, 525,201.08 and 210,802.08 is: 290,916.45
Step by Step Solution
- Step 1: Write the proportion equation
380,567.96 : 525,201.08 = 210,802.08 : x - Step 2: Convert to fraction form
380,567.96/525,201.08 = 210,802.08/x - Step 3: Cross multiply
380,567.96x = 525,201.08 × 210,802.08 - Step 4: Simplify right side
380,567.96x = 110,713,480,082.25 - Step 5: Solve for x
x = 110,713,480,082.25/380,567.96 - Step 6: Final answer
x = 290,916.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.