Finding the Fourth Proportional to 423,946.71, 635,961.78 and 157,644.63
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Solution
The fourth proportional to 423,946.71, 635,961.78 and 157,644.63 is: 236,482.46
Step by Step Solution
- Step 1: Write the proportion equation
423,946.71 : 635,961.78 = 157,644.63 : x - Step 2: Convert to fraction form
423,946.71/635,961.78 = 157,644.63/x - Step 3: Cross multiply
423,946.71x = 635,961.78 × 157,644.63 - Step 4: Simplify right side
423,946.71x = 100,255,959,502.24 - Step 5: Solve for x
x = 100,255,959,502.24/423,946.71 - Step 6: Final answer
x = 236,482.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.