Finding the Fourth Proportional to 237,852.90, 328,237.08 and 130,420.70
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Solution
The fourth proportional to 237,852.90, 328,237.08 and 130,420.70 is: 179,980.61
Step by Step Solution
- Step 1: Write the proportion equation
237,852.90 : 328,237.08 = 130,420.70 : x - Step 2: Convert to fraction form
237,852.90/328,237.08 = 130,420.70/x - Step 3: Cross multiply
237,852.90x = 328,237.08 × 130,420.70 - Step 4: Simplify right side
237,852.90x = 42,808,909,739.56 - Step 5: Solve for x
x = 42,808,909,739.56/237,852.90 - Step 6: Final answer
x = 179,980.61
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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.