Finding the Fourth Proportional to 372,038.19, 513,410.18 and 202,272.32
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Solution
The fourth proportional to 372,038.19, 513,410.18 and 202,272.32 is: 279,134.42
Step by Step Solution
- Step 1: Write the proportion equation
372,038.19 : 513,410.18 = 202,272.32 : x - Step 2: Convert to fraction form
372,038.19/513,410.18 = 202,272.32/x - Step 3: Cross multiply
372,038.19x = 513,410.18 × 202,272.32 - Step 4: Simplify right side
372,038.19x = 103,848,664,641.81 - Step 5: Solve for x
x = 103,848,664,641.81/372,038.19 - Step 6: Final answer
x = 279,134.42
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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.