Finding the Fourth Proportional to 162,557.55, 224,389.58 and 122,387.81
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Solution
The fourth proportional to 162,557.55, 224,389.58 and 122,387.81 is: 168,940.46
Step by Step Solution
- Step 1: Write the proportion equation
162,557.55 : 224,389.58 = 122,387.81 : x - Step 2: Convert to fraction form
162,557.55/224,389.58 = 122,387.81/x - Step 3: Cross multiply
162,557.55x = 224,389.58 × 122,387.81 - Step 4: Simplify right side
162,557.55x = 27,462,547,549.13 - Step 5: Solve for x
x = 27,462,547,549.13/162,557.55 - Step 6: Final answer
x = 168,940.46
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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.