Finding the Fourth Proportional to 554,560.10, 831,840.30 and 155,259.70
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Solution
The fourth proportional to 554,560.10, 831,840.30 and 155,259.70 is: 232,889.59
Step by Step Solution
- Step 1: Write the proportion equation
554,560.10 : 831,840.30 = 155,259.70 : x - Step 2: Convert to fraction form
554,560.10/831,840.30 = 155,259.70/x - Step 3: Cross multiply
554,560.10x = 831,840.30 × 155,259.70 - Step 4: Simplify right side
554,560.10x = 129,151,275,425.91 - Step 5: Solve for x
x = 129,151,275,425.91/554,560.10 - Step 6: Final answer
x = 232,889.59
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1.5x scale
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.