Finding the Fourth Proportional to 316,245.60, 474,368.40 and 302,248.80
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Solution
The fourth proportional to 316,245.60, 474,368.40 and 302,248.80 is: 453,373.20
Step by Step Solution
- Step 1: Write the proportion equation
316,245.60 : 474,368.40 = 302,248.80 : x - Step 2: Convert to fraction form
316,245.60/474,368.40 = 302,248.80/x - Step 3: Cross multiply
316,245.60x = 474,368.40 × 302,248.80 - Step 4: Simplify right side
316,245.60x = 143,377,279,657.92 - Step 5: Solve for x
x = 143,377,279,657.92/316,245.60 - Step 6: Final answer
x = 453,373.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.