Finding the Fourth Proportional to 492,444.15, 679,573.36 and 266,089.65
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Solution
The fourth proportional to 492,444.15, 679,573.36 and 266,089.65 is: 367,203.95
Step by Step Solution
- Step 1: Write the proportion equation
492,444.15 : 679,573.36 = 266,089.65 : x - Step 2: Convert to fraction form
492,444.15/679,573.36 = 266,089.65/x - Step 3: Cross multiply
492,444.15x = 679,573.36 × 266,089.65 - Step 4: Simplify right side
492,444.15x = 180,827,437,511.72 - Step 5: Solve for x
x = 180,827,437,511.72/492,444.15 - Step 6: Final answer
x = 367,203.95
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1.5x scale
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.