Finding the Fourth Proportional to 316,237.20, 473,203.80 and 233,293.20
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Solution
The fourth proportional to 316,237.20, 473,203.80 and 233,293.20 is: 349,089.95
Step by Step Solution
- Step 1: Write the proportion equation
316,237.20 : 473,203.80 = 233,293.20 : x - Step 2: Convert to fraction form
316,237.20/473,203.80 = 233,293.20/x - Step 3: Cross multiply
316,237.20x = 473,203.80 × 233,293.20 - Step 4: Simplify right side
316,237.20x = 110,395,228,754.16 - Step 5: Solve for x
x = 110,395,228,754.16/316,237.20 - Step 6: Final answer
x = 349,089.95
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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.