Finding the Fourth Proportional to 270,598.79, 373,479.14 and 163,186.31
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Solution
The fourth proportional to 270,598.79, 373,479.14 and 163,186.31 is: 225,228.95
Step by Step Solution
- Step 1: Write the proportion equation
270,598.79 : 373,479.14 = 163,186.31 : x - Step 2: Convert to fraction form
270,598.79/373,479.14 = 163,186.31/x - Step 3: Cross multiply
270,598.79x = 373,479.14 × 163,186.31 - Step 4: Simplify right side
270,598.79x = 60,946,681,259.14 - Step 5: Solve for x
x = 60,946,681,259.14/270,598.79 - Step 6: Final answer
x = 225,228.95
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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.