Finding the Fourth Proportional to 554,405.94, 831,711.48 and 175,422.09
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Solution
The fourth proportional to 554,405.94, 831,711.48 and 175,422.09 is: 263,165.59
Step by Step Solution
- Step 1: Write the proportion equation
554,405.94 : 831,711.48 = 175,422.09 : x - Step 2: Convert to fraction form
554,405.94/831,711.48 = 175,422.09/x - Step 3: Cross multiply
554,405.94x = 831,711.48 × 175,422.09 - Step 4: Simplify right side
554,405.94x = 145,900,566,098.59 - Step 5: Solve for x
x = 145,900,566,098.59/554,405.94 - Step 6: Final answer
x = 263,165.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.