Finding the Fourth Proportional to 472,627.38, 652,000.68 and 319,719.09
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Solution
The fourth proportional to 472,627.38, 652,000.68 and 319,719.09 is: 441,060.07
Step by Step Solution
- Step 1: Write the proportion equation
472,627.38 : 652,000.68 = 319,719.09 : x - Step 2: Convert to fraction form
472,627.38/652,000.68 = 319,719.09/x - Step 3: Cross multiply
472,627.38x = 652,000.68 × 319,719.09 - Step 4: Simplify right side
472,627.38x = 208,457,064,088.98 - Step 5: Solve for x
x = 208,457,064,088.98/472,627.38 - Step 6: Final answer
x = 441,060.07
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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.