Finding the Fourth Proportional to 402,685.04, 604,031.20 and 122,202.28
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Solution
The fourth proportional to 402,685.04, 604,031.20 and 122,202.28 is: 183,304.52
Step by Step Solution
- Step 1: Write the proportion equation
402,685.04 : 604,031.20 = 122,202.28 : x - Step 2: Convert to fraction form
402,685.04/604,031.20 = 122,202.28/x - Step 3: Cross multiply
402,685.04x = 604,031.20 × 122,202.28 - Step 4: Simplify right side
402,685.04x = 73,813,989,831.14 - Step 5: Solve for x
x = 73,813,989,831.14/402,685.04 - Step 6: Final answer
x = 183,304.52
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1.5x scale
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.