Finding the Fourth Proportional to 368,637.19, 508,719.16 and 207,493.09
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Solution
The fourth proportional to 368,637.19, 508,719.16 and 207,493.09 is: 286,340.37
Step by Step Solution
- Step 1: Write the proportion equation
368,637.19 : 508,719.16 = 207,493.09 : x - Step 2: Convert to fraction form
368,637.19/508,719.16 = 207,493.09/x - Step 3: Cross multiply
368,637.19x = 508,719.16 × 207,493.09 - Step 4: Simplify right side
368,637.19x = 105,555,710,450.60 - Step 5: Solve for x
x = 105,555,710,450.60/368,637.19 - Step 6: Final answer
x = 286,340.37
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1.5x scale
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.