Finding the Fourth Proportional to 368,521.95, 508,558.68 and 207,379.69
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Solution
The fourth proportional to 368,521.95, 508,558.68 and 207,379.69 is: 286,183.07
Step by Step Solution
- Step 1: Write the proportion equation
368,521.95 : 508,558.68 = 207,379.69 : x - Step 2: Convert to fraction form
368,521.95/508,558.68 = 207,379.69/x - Step 3: Cross multiply
368,521.95x = 508,558.68 × 207,379.69 - Step 4: Simplify right side
368,521.95x = 105,464,742,411.20 - Step 5: Solve for x
x = 105,464,742,411.20/368,521.95 - Step 6: Final answer
x = 286,183.07
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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.