Finding the Fourth Proportional to 316,854.02, 437,276.04 and 180,931.62
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Solution
The fourth proportional to 316,854.02, 437,276.04 and 180,931.62 is: 249,695.62
Step by Step Solution
- Step 1: Write the proportion equation
316,854.02 : 437,276.04 = 180,931.62 : x - Step 2: Convert to fraction form
316,854.02/437,276.04 = 180,931.62/x - Step 3: Cross multiply
316,854.02x = 437,276.04 × 180,931.62 - Step 4: Simplify right side
316,854.02x = 79,117,062,304.38 - Step 5: Solve for x
x = 79,117,062,304.38/316,854.02 - Step 6: Final answer
x = 249,695.62
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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.