Finding the Fourth Proportional to 224,746.29, 310,159.30 and 129,253.06
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Solution
The fourth proportional to 224,746.29, 310,159.30 and 129,253.06 is: 178,374.64
Step by Step Solution
- Step 1: Write the proportion equation
224,746.29 : 310,159.30 = 129,253.06 : x - Step 2: Convert to fraction form
224,746.29/310,159.30 = 129,253.06/x - Step 3: Cross multiply
224,746.29x = 310,159.30 × 129,253.06 - Step 4: Simplify right side
224,746.29x = 40,089,037,061.66 - Step 5: Solve for x
x = 40,089,037,061.66/224,746.29 - Step 6: Final answer
x = 178,374.64
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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.