Finding the Fourth Proportional to 492,681.12, 679,900.41 and 266,326.62
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Solution
The fourth proportional to 492,681.12, 679,900.41 and 266,326.62 is: 367,530.99
Step by Step Solution
- Step 1: Write the proportion equation
492,681.12 : 679,900.41 = 266,326.62 : x - Step 2: Convert to fraction form
492,681.12/679,900.41 = 266,326.62/x - Step 3: Cross multiply
492,681.12x = 679,900.41 × 266,326.62 - Step 4: Simplify right side
492,681.12x = 181,075,578,131.91 - Step 5: Solve for x
x = 181,075,578,131.91/492,681.12 - Step 6: Final answer
x = 367,530.99
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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.