Finding the Fourth Proportional to 282,967.82, 390,656.99 and 187,603.68
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Solution
The fourth proportional to 282,967.82, 390,656.99 and 187,603.68 is: 259,000.08
Step by Step Solution
- Step 1: Write the proportion equation
282,967.82 : 390,656.99 = 187,603.68 : x - Step 2: Convert to fraction form
282,967.82/390,656.99 = 187,603.68/x - Step 3: Cross multiply
282,967.82x = 390,656.99 × 187,603.68 - Step 4: Simplify right side
282,967.82x = 73,288,688,941.72 - Step 5: Solve for x
x = 73,288,688,941.72/282,967.82 - Step 6: Final answer
x = 259,000.08
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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.