Finding the Fourth Proportional to 468,337.13, 646,305.20 and 253,477.18
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Solution
The fourth proportional to 468,337.13, 646,305.20 and 253,477.18 is: 349,798.48
Step by Step Solution
- Step 1: Write the proportion equation
468,337.13 : 646,305.20 = 253,477.18 : x - Step 2: Convert to fraction form
468,337.13/646,305.20 = 253,477.18/x - Step 3: Cross multiply
468,337.13x = 646,305.20 × 253,477.18 - Step 4: Simplify right side
468,337.13x = 163,823,616,632.19 - Step 5: Solve for x
x = 163,823,616,632.19/468,337.13 - Step 6: Final answer
x = 349,798.48
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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.