Finding the Fourth Proportional to 370,695.94, 551,275.10 and 358,886.14
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Solution
The fourth proportional to 370,695.94, 551,275.10 and 358,886.14 is: 533,712.33
Step by Step Solution
- Step 1: Write the proportion equation
370,695.94 : 551,275.10 = 358,886.14 : x - Step 2: Convert to fraction form
370,695.94/551,275.10 = 358,886.14/x - Step 3: Cross multiply
370,695.94x = 551,275.10 × 358,886.14 - Step 4: Simplify right side
370,695.94x = 197,844,992,717.11 - Step 5: Solve for x
x = 197,844,992,717.11/370,695.94 - Step 6: Final answer
x = 533,712.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.