Finding the Fourth Proportional to 1,235,001.36, 1,852,242.84 and 348,330
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Solution
The fourth proportional to 1,235,001.36, 1,852,242.84 and 348,330 is: 522,421.89
Step by Step Solution
- Step 1: Write the proportion equation
1,235,001.36 : 1,852,242.84 = 348,330 : x - Step 2: Convert to fraction form
1,235,001.36/1,852,242.84 = 348,330/x - Step 3: Cross multiply
1,235,001.36x = 1,852,242.84 × 348,330 - Step 4: Simplify right side
1,235,001.36x = 645,191,748,457.20 - Step 5: Solve for x
x = 645,191,748,457.20/1,235,001.36 - Step 6: Final answer
x = 522,421.89
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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.