Finding the Fourth Proportional to 368,485.98, 508,507.36 and 207,337.81
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Solution
The fourth proportional to 368,485.98, 508,507.36 and 207,337.81 is: 286,124.32
Step by Step Solution
- Step 1: Write the proportion equation
368,485.98 : 508,507.36 = 207,337.81 : x - Step 2: Convert to fraction form
368,485.98/508,507.36 = 207,337.81/x - Step 3: Cross multiply
368,485.98x = 508,507.36 × 207,337.81 - Step 4: Simplify right side
368,485.98x = 105,432,798,812.06 - Step 5: Solve for x
x = 105,432,798,812.06/368,485.98 - Step 6: Final answer
x = 286,124.32
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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.