Finding the Fourth Proportional to 367,789.19, 507,775.50 and 291,615.98
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Solution
The fourth proportional to 367,789.19, 507,775.50 and 291,615.98 is: 402,609.58
Step by Step Solution
- Step 1: Write the proportion equation
367,789.19 : 507,775.50 = 291,615.98 : x - Step 2: Convert to fraction form
367,789.19/507,775.50 = 291,615.98/x - Step 3: Cross multiply
367,789.19x = 507,775.50 × 291,615.98 - Step 4: Simplify right side
367,789.19x = 148,075,447,513.61 - Step 5: Solve for x
x = 148,075,447,513.61/367,789.19 - Step 6: Final answer
x = 402,609.58
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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.