Finding the Fourth Proportional to 316,219.90, 473,345.70 and 182,703.55
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Solution
The fourth proportional to 316,219.90, 473,345.70 and 182,703.55 is: 273,486.71
Step by Step Solution
- Step 1: Write the proportion equation
316,219.90 : 473,345.70 = 182,703.55 : x - Step 2: Convert to fraction form
316,219.90/473,345.70 = 182,703.55/x - Step 3: Cross multiply
316,219.90x = 473,345.70 × 182,703.55 - Step 4: Simplify right side
316,219.90x = 86,481,939,767.24 - Step 5: Solve for x
x = 86,481,939,767.24/316,219.90 - Step 6: Final answer
x = 273,486.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.