Finding the Fourth Proportional to 492,656.79, 679,866.06 and 266,302.29
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Solution
The fourth proportional to 492,656.79, 679,866.06 and 266,302.29 is: 367,496.99
Step by Step Solution
- Step 1: Write the proportion equation
492,656.79 : 679,866.06 = 266,302.29 : x - Step 2: Convert to fraction form
492,656.79/679,866.06 = 266,302.29/x - Step 3: Cross multiply
492,656.79x = 679,866.06 × 266,302.29 - Step 4: Simplify right side
492,656.79x = 181,049,888,671.28 - Step 5: Solve for x
x = 181,049,888,671.28/492,656.79 - Step 6: Final answer
x = 367,496.99
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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.