Finding the Fourth Proportional to 245,541.70, 368,312.55 and 162,435.70
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Solution
The fourth proportional to 245,541.70, 368,312.55 and 162,435.70 is: 243,653.55
Step by Step Solution
- Step 1: Write the proportion equation
245,541.70 : 368,312.55 = 162,435.70 : x - Step 2: Convert to fraction form
245,541.70/368,312.55 = 162,435.70/x - Step 3: Cross multiply
245,541.70x = 368,312.55 × 162,435.70 - Step 4: Simplify right side
245,541.70x = 59,827,106,878.04 - Step 5: Solve for x
x = 59,827,106,878.04/245,541.70 - Step 6: Final answer
x = 243,653.55
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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.