Finding the Fourth Proportional to 299,890.05, 413,848.28 and 163,924.53
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Solution
The fourth proportional to 299,890.05, 413,848.28 and 163,924.53 is: 226,215.85
Step by Step Solution
- Step 1: Write the proportion equation
299,890.05 : 413,848.28 = 163,924.53 : x - Step 2: Convert to fraction form
299,890.05/413,848.28 = 163,924.53/x - Step 3: Cross multiply
299,890.05x = 413,848.28 × 163,924.53 - Step 4: Simplify right side
299,890.05x = 67,839,883,970.69 - Step 5: Solve for x
x = 67,839,883,970.69/299,890.05 - Step 6: Final answer
x = 226,215.85
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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.