Finding the Fourth Proportional to 368,697.62, 508,783.38 and 207,547.31
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Solution
The fourth proportional to 368,697.62, 508,783.38 and 207,547.31 is: 286,404.40
Step by Step Solution
- Step 1: Write the proportion equation
368,697.62 : 508,783.38 = 207,547.31 : x - Step 2: Convert to fraction form
368,697.62/508,783.38 = 207,547.31/x - Step 3: Cross multiply
368,697.62x = 508,783.38 × 207,547.31 - Step 4: Simplify right side
368,697.62x = 105,596,622,385.36 - Step 5: Solve for x
x = 105,596,622,385.36/368,697.62 - Step 6: Final answer
x = 286,404.40
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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.