Finding the Fourth Proportional to 299,506.19, 413,335.35 and 163,552.80
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Solution
The fourth proportional to 299,506.19, 413,335.35 and 163,552.80 is: 225,712.05
Step by Step Solution
- Step 1: Write the proportion equation
299,506.19 : 413,335.35 = 163,552.80 : x - Step 2: Convert to fraction form
299,506.19/413,335.35 = 163,552.80/x - Step 3: Cross multiply
299,506.19x = 413,335.35 × 163,552.80 - Step 4: Simplify right side
299,506.19x = 67,602,153,831.48 - Step 5: Solve for x
x = 67,602,153,831.48/299,506.19 - Step 6: Final answer
x = 225,712.05
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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.