Finding the Fourth Proportional to 368,600.36, 508,684.86 and 207,465.84
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Solution
The fourth proportional to 368,600.36, 508,684.86 and 207,465.84 is: 286,312.07
Step by Step Solution
- Step 1: Write the proportion equation
368,600.36 : 508,684.86 = 207,465.84 : x - Step 2: Convert to fraction form
368,600.36/508,684.86 = 207,465.84/x - Step 3: Cross multiply
368,600.36x = 508,684.86 × 207,465.84 - Step 4: Simplify right side
368,600.36x = 105,534,731,775.18 - Step 5: Solve for x
x = 105,534,731,775.18/368,600.36 - Step 6: Final answer
x = 286,312.07
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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.