Finding the Fourth Proportional to 368,538.80, 508,577.40 and 207,393.80
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Solution
The fourth proportional to 368,538.80, 508,577.40 and 207,393.80 is: 286,199.99
Step by Step Solution
- Step 1: Write the proportion equation
368,538.80 : 508,577.40 = 207,393.80 : x - Step 2: Convert to fraction form
368,538.80/508,577.40 = 207,393.80/x - Step 3: Cross multiply
368,538.80x = 508,577.40 × 207,393.80 - Step 4: Simplify right side
368,538.80x = 105,475,799,580.12 - Step 5: Solve for x
x = 105,475,799,580.12/368,538.80 - Step 6: Final answer
x = 286,199.99
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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.