Finding the Fourth Proportional to 368,574.87, 508,632.86 and 207,431.07
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Solution
The fourth proportional to 368,574.87, 508,632.86 and 207,431.07 is: 286,254.61
Step by Step Solution
- Step 1: Write the proportion equation
368,574.87 : 508,632.86 = 207,431.07 : x - Step 2: Convert to fraction form
368,574.87/508,632.86 = 207,431.07/x - Step 3: Cross multiply
368,574.87x = 508,632.86 × 207,431.07 - Step 4: Simplify right side
368,574.87x = 105,506,257,349.81 - Step 5: Solve for x
x = 105,506,257,349.81/368,574.87 - Step 6: Final answer
x = 286,254.61
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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.