Finding the Fourth Proportional to 368,941.14, 509,154.51 and 205,597.82
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Solution
The fourth proportional to 368,941.14, 509,154.51 and 205,597.82 is: 283,733.75
Step by Step Solution
- Step 1: Write the proportion equation
368,941.14 : 509,154.51 = 205,597.82 : x - Step 2: Convert to fraction form
368,941.14/509,154.51 = 205,597.82/x - Step 3: Cross multiply
368,941.14x = 509,154.51 × 205,597.82 - Step 4: Simplify right side
368,941.14x = 104,681,054,753.40 - Step 5: Solve for x
x = 104,681,054,753.40/368,941.14 - Step 6: Final answer
x = 283,733.75
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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.