Finding the Fourth Proportional to 257,629.23, 355,461.08 and 148,706.91
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Solution
The fourth proportional to 257,629.23, 355,461.08 and 148,706.91 is: 205,176.71
Step by Step Solution
- Step 1: Write the proportion equation
257,629.23 : 355,461.08 = 148,706.91 : x - Step 2: Convert to fraction form
257,629.23/355,461.08 = 148,706.91/x - Step 3: Cross multiply
257,629.23x = 355,461.08 × 148,706.91 - Step 4: Simplify right side
257,629.23x = 52,859,518,088.53 - Step 5: Solve for x
x = 52,859,518,088.53/257,629.23 - Step 6: Final answer
x = 205,176.71
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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.