Finding the Fourth Proportional to 457,848.79, 631,871.28 and 266,858.08
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Solution
The fourth proportional to 457,848.79, 631,871.28 and 266,858.08 is: 368,287.43
Step by Step Solution
- Step 1: Write the proportion equation
457,848.79 : 631,871.28 = 266,858.08 : x - Step 2: Convert to fraction form
457,848.79/631,871.28 = 266,858.08/x - Step 3: Cross multiply
457,848.79x = 631,871.28 × 266,858.08 - Step 4: Simplify right side
457,848.79x = 168,619,953,428.59 - Step 5: Solve for x
x = 168,619,953,428.59/457,848.79 - Step 6: Final answer
x = 368,287.43
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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.