Finding the Fourth Proportional to 348,038.71, 522,156.08 and 134,871.01
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Solution
The fourth proportional to 348,038.71, 522,156.08 and 134,871.01 is: 202,344.50
Step by Step Solution
- Step 1: Write the proportion equation
348,038.71 : 522,156.08 = 134,871.01 : x - Step 2: Convert to fraction form
348,038.71/522,156.08 = 134,871.01/x - Step 3: Cross multiply
348,038.71x = 522,156.08 × 134,871.01 - Step 4: Simplify right side
348,038.71x = 70,423,717,887.24 - Step 5: Solve for x
x = 70,423,717,887.24/348,038.71 - Step 6: Final answer
x = 202,344.50
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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.