Finding the Fourth Proportional to 299,783.79, 413,702.71 and 163,817.74
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Solution
The fourth proportional to 299,783.79, 413,702.71 and 163,817.74 is: 226,069.07
Step by Step Solution
- Step 1: Write the proportion equation
299,783.79 : 413,702.71 = 163,817.74 : x - Step 2: Convert to fraction form
299,783.79/413,702.71 = 163,817.74/x - Step 3: Cross multiply
299,783.79x = 413,702.71 × 163,817.74 - Step 4: Simplify right side
299,783.79x = 67,771,842,984.08 - Step 5: Solve for x
x = 67,771,842,984.08/299,783.79 - Step 6: Final answer
x = 226,069.07
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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.