Finding the Fourth Proportional to 372,020.24, 513,386.28 and 202,253.84
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Solution
The fourth proportional to 372,020.24, 513,386.28 and 202,253.84 is: 279,109.40
Step by Step Solution
- Step 1: Write the proportion equation
372,020.24 : 513,386.28 = 202,253.84 : x - Step 2: Convert to fraction form
372,020.24/513,386.28 = 202,253.84/x - Step 3: Cross multiply
372,020.24x = 513,386.28 × 202,253.84 - Step 4: Simplify right side
372,020.24x = 103,834,346,533.32 - Step 5: Solve for x
x = 103,834,346,533.32/372,020.24 - Step 6: Final answer
x = 279,109.40
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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.