Finding the Fourth Proportional to 368,904.08, 508,017.48 and 320,484.08
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Solution
The fourth proportional to 368,904.08, 508,017.48 and 320,484.08 is: 441,338.34
Step by Step Solution
- Step 1: Write the proportion equation
368,904.08 : 508,017.48 = 320,484.08 : x - Step 2: Convert to fraction form
368,904.08/508,017.48 = 320,484.08/x - Step 3: Cross multiply
368,904.08x = 508,017.48 × 320,484.08 - Step 4: Simplify right side
368,904.08x = 162,811,514,701.72 - Step 5: Solve for x
x = 162,811,514,701.72/368,904.08 - Step 6: Final answer
x = 441,338.34
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1.5x scale
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.