Finding the Fourth Proportional to 178,210.08, 245,929.74 and 97,642.62
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Solution
The fourth proportional to 178,210.08, 245,929.74 and 97,642.62 is: 134,746.72
Step by Step Solution
- Step 1: Write the proportion equation
178,210.08 : 245,929.74 = 97,642.62 : x - Step 2: Convert to fraction form
178,210.08/245,929.74 = 97,642.62/x - Step 3: Cross multiply
178,210.08x = 245,929.74 × 97,642.62 - Step 4: Simplify right side
178,210.08x = 24,013,224,149.52 - Step 5: Solve for x
x = 24,013,224,149.52/178,210.08 - Step 6: Final answer
x = 134,746.72
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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.