Finding the Fourth Proportional to 492,703.68, 679,931.46 and 266,349.12
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Solution
The fourth proportional to 492,703.68, 679,931.46 and 266,349.12 is: 367,561.99
Step by Step Solution
- Step 1: Write the proportion equation
492,703.68 : 679,931.46 = 266,349.12 : x - Step 2: Convert to fraction form
492,703.68/679,931.46 = 266,349.12/x - Step 3: Cross multiply
492,703.68x = 679,931.46 × 266,349.12 - Step 4: Simplify right side
492,703.68x = 181,099,146,031.32 - Step 5: Solve for x
x = 181,099,146,031.32/492,703.68 - Step 6: Final answer
x = 367,561.99
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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.