Finding the Fourth Proportional to 368,487.99, 508,507.47 and 207,342.95
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Solution
The fourth proportional to 368,487.99, 508,507.47 and 207,342.95 is: 286,129.91
Step by Step Solution
- Step 1: Write the proportion equation
368,487.99 : 508,507.47 = 207,342.95 : x - Step 2: Convert to fraction form
368,487.99/508,507.47 = 207,342.95/x - Step 3: Cross multiply
368,487.99x = 508,507.47 × 207,342.95 - Step 4: Simplify right side
368,487.99x = 105,435,436,384.30 - Step 5: Solve for x
x = 105,435,436,384.30/368,487.99 - Step 6: Final answer
x = 286,129.91
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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.