Finding the Fourth Proportional to 492,655.58, 679,864.40 and 266,301.08
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Solution
The fourth proportional to 492,655.58, 679,864.40 and 266,301.08 is: 367,495.33
Step by Step Solution
- Step 1: Write the proportion equation
492,655.58 : 679,864.40 = 266,301.08 : x - Step 2: Convert to fraction form
492,655.58/679,864.40 = 266,301.08/x - Step 3: Cross multiply
492,655.58x = 679,864.40 × 266,301.08 - Step 4: Simplify right side
492,655.58x = 181,048,623,973.55 - Step 5: Solve for x
x = 181,048,623,973.55/492,655.58 - Step 6: Final answer
x = 367,495.33
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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.