Finding the Fourth Proportional to 368,583.53, 508,661.64 and 207,449.02
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Solution
The fourth proportional to 368,583.53, 508,661.64 and 207,449.02 is: 286,288.85
Step by Step Solution
- Step 1: Write the proportion equation
368,583.53 : 508,661.64 = 207,449.02 : x - Step 2: Convert to fraction form
368,583.53/508,661.64 = 207,449.02/x - Step 3: Cross multiply
368,583.53x = 508,661.64 × 207,449.02 - Step 4: Simplify right side
368,583.53x = 105,521,357,457.94 - Step 5: Solve for x
x = 105,521,357,457.94/368,583.53 - Step 6: Final answer
x = 286,288.85
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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.